DARXX Dreyfus Treasury Prime Cash Mgmt Administrative Shs (MM)

000 B000000 01/31/2014
000 C000000 0000843781
000 D000000 N
000 E000000 NF
000 F000000 Y
000 G000000 N
000 H000000 N
000 I000000 6.1
000 J000000 U
001 A000000 DREYFUS TREASURY PRIME CASH MANAGEMENT
001 B000000 811-5718
001 C000000 2129226837
002 A000000 200 PARK AVENUE
002 B000000 NEW YORK
002 C000000 NY
002 D010000 10166
002 D020000 0144
003  000000 N
004  000000 N
005  000000 N
006  000000 N
007 A000000 N
007 B000000  0
007 C010100  1
007 C010200  2
007 C010300  3
007 C010400  4
007 C010500  5
007 C010600  6
007 C010700  7
007 C010800  8
007 C010900  9
007 C011000 10
008 A000001 THE DREYFUS CORPORATION
008 B000001 A
008 C000001 801-8147
008 D010001 NEW YORK
008 D020001 NY
008 D030001 10166
008 D040001 0144
014 A000001 BNY MELLON CAPITAL MARKETS, LLC
014 B000001 8-35255
014 A000002 CONVERGEX EXECUTION SOLUTIONS, LLC
014 B000002 8-46838
014 A000003 CONVERGEX PRIME SERVICES LLC
014 B000003 8-67289
014 A000004 EZE CASTLE TRANSACTION SERVICES LLC
014 B000004 8-66577
014 A000005 G-TRADE SERVICES LLC
014 B000005 8-67304
014 A000006 HEDGEMARK SECURITIES LLC

014 B000006 8-69106
014 A000007 MBSC SECURITIES CORPORATION
014 B000007 8-13801
014 A000008 PERSHING ADVISOR SOLUTIONS LLC
014 B000008 8-47425
014 A000009 PERSHING LLC
014 B000009 8-17574
014 A000010 WESTMINSTER RESEARCH ASSOCIATES LLC
014 B000010 8-28900
018  000000 Y
019 A000000 Y
019 B000000  142
019 C000000 DREYFUSFAM
022 A000001 BARCLAYS CAPITAL INC.
022 B000001 06-1031656
022 C000001  38814731
022 D000001  37931517
022 A000002 GOLDMAN, SACHS & CO.
022 B000002 13-5108880
022 C000002  32427950
022 D000002  17739565
022 A000003 DAIWA SECURITIES AMERICA INC.
022 B000003 13-5680329
022 C000003  37097973
022 D000003   3280121
022 A000004 NOMURA SECURITIES INTERNATIONAL, INC.
022 B000004 13-2642206
022 C000004  21626561
022 D000004   5611186
022 A000005 DEUTSCHE BANK SECURITIES INC.
022 B000005 13-2730828
022 C000005  11705127
022 D000005   7067081
022 A000006 MIZUHO SECURITIES USA INC.
022 B000006 36-2880742
022 C000006  12459799
022 D000006    249998
022 A000007 CITIGROUP INC.
022 B000007 52-1568099
022 C000007  10946257
022 D000007   1190010
022 A000008 COWEN & COMPANY, LLC
022 B000008 38-3698933
022 C000008   9928348
022 D000008         0
022 A000009 BANK OF AMERICA NA
022 B000009 94-1687665
022 C000009   8605675
022 D000009   1040169
022 A000010 JEFFERIES & COMPANY, INC.
022 B000010 95-2622900

022 C000010   8466022
022 D000010         0
023 C000000  244720275
023 D000000   79529216
024  000000 N
025 D000001       0
025 D000002       0
025 D000003       0
025 D000004       0
025 D000005       0
025 D000006       0
025 D000007       0
025 D000008       0
028 A010000   6813668
028 A020000         0
028 A030000         0
028 A040000   5517722
028 B010000   6358664
028 B020000         0
028 B030000         0
028 B040000   6199917
028 C010000   9630235
028 C020000         0
028 C030000         0
028 C040000  11536489
028 D010000   8854723
028 D020000         1
028 D030000         0
028 D040000   5803383
028 E010000   9998947
028 E020000         1
028 E030000         0
028 E040000   9569232
028 F010000   9967483
028 F020000         1
028 F030000         0
028 F040000   7555794
028 G010000  51623720
028 G020000         3
028 G030000         0
028 G040000  46182537
028 H000000         0
029  000000 N
030 A000000      0
030 B000000  0.00
030 C000000  0.00
042 A000000   0
042 B000000   0
042 C000000 100
042 D000000   0
042 E000000   0

042 F000000   0
042 G000000   0
042 H000000   0
043  000000  22107
044  000000      0
045  000000 Y
046  000000 N
047  000000 Y
048  000000  0.200
048 A010000        0
048 A020000 0.000
048 B010000        0
048 B020000 0.000
048 C010000        0
048 C020000 0.000
048 D010000        0
048 D020000 0.000
048 E010000        0
048 E020000 0.000
048 F010000        0
048 F020000 0.000
048 G010000        0
048 G020000 0.000
048 H010000        0
048 H020000 0.000
048 I010000        0
048 I020000 0.000
048 J010000        0
048 J020000 0.000
048 K010000        0
048 K020000 0.000
062 A000000 Y
062 B000000 100.0
062 C000000   0.0
062 D000000   0.0
062 E000000   0.0
062 F000000   0.0
062 G000000   0.0
062 H000000   0.0
062 I000000   0.0
062 J000000   0.0
062 K000000   0.0
062 L000000   0.0
062 M000000   0.0
062 N000000   0.0
062 O000000   0.0
062 P000000   0.0
062 Q000000   0.0
062 R000000   0.0
063 A000000  57
063 B000000  0.0

064 A000000 N
064 B000000 N
071 A000000         0
071 B000000         0
071 C000000         0
071 D000000    0
072 A000000 12
072 B000000    20632
072 C000000        0
072 D000000        0
072 E000000        0
072 F000000    68997
072 G000000        0
072 H000000        0
072 I000000      660
072 J000000      958
072 K000000        0
072 L000000      437
072 M000000      157
072 N000000      479
072 O000000        0
072 P000000        0
072 Q000000        0
072 R000000       46
072 S000000       45
072 T000000    22107
072 U000000        0
072 V000000      128
072 W000000      429
072 X000000    94443
072 Y000000    73823
072 Z000000       12
072AA000000      233
072BB000000      813
072CC010000        0
072CC020000        0
072DD010000       10
072DD020000        2
072EE000000        0
073 A010000   0.0000
073 A020000   0.0000
073 B000000   0.0000
073 C000000   0.0000
074 A000000     1484
074 B000000        0
074 C000000 40004810
074 D000000        0
074 E000000        0
074 F000000        0
074 G000000        0
074 H000000        0

074 I000000        0
074 J000000        0
074 K000000        0
074 L000000    31122
074 M000000      179
074 N000000 40037595
074 O000000        0
074 P000000     1715
074 Q000000        0
074 R010000        0
074 R020000        0
074 R030000        0
074 R040000    29603
074 S000000        0
074 T000000 40006277
074 U010000 32448298
074 U020000  7558697
074 V010000     0.00
074 V020000     0.00
074 W000000   1.0000
074 X000000    19867
074 Y000000        0
075 A000000 34498327
075 B000000        0
076  000000     0.00
077 A000000 Y
077 B000000 Y
080 A000000 NATIONAL UNION FIRE INS. CO. OF PITTSBURGH
080 B000000 FEDERAL INSURANCE COMPANY
080 C000000   115000
081 A000000 Y
081 B000000 166
082 A000000 N
082 B000000        0
083 A000000 N
083 B000000        0
084 A000000 N
084 B000000        0
085 A000000 Y
085 B000000 N
SIGNATURE   JOHN B. HAMMALIAN
TITLE       VICE PRESIDENT