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# Math Revolution Daily quiz (Day 9)

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Math Revolution GMAT Instructor
Joined: 16 Aug 2015
Posts: 8425
GMAT 1: 760 Q51 V42
GPA: 3.82
Math Revolution Daily quiz (Day 9)  [#permalink]

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10 Nov 2016, 01:15
00:00

Difficulty:

15% (low)

Question Stats:

80% (01:13) correct 20% (02:19) wrong based on 35 sessions

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Math Revolution Daily quiz (Day 9)

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Joined: 11 Jul 2018
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Re: Math Revolution Daily quiz (Day 9)  [#permalink]

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11 Jul 2018, 22:03
1560 = 156 * 10 = 2 * 78 * 10 = 2*2*39*10 = 2*2*3*13*10

13 is a prime number, therefore, only way to get 1560 divided fully will be to have 13! (13 factorial).
Re: Math Revolution Daily quiz (Day 9)   [#permalink] 11 Jul 2018, 22:03
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