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Number of factors
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14 Oct 2015, 05:59
14 Oct 2015, 05:59
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Number of factors of A = 2^3 * 5^7 * 7^2
my answer is 96, but the real answer is 192.
Please help.
my answer is 96, but the real answer is 192.
Please help.
Re: Number of factors
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15 Oct 2015, 07:58
15 Oct 2015, 07:58
Expert Reply
Sujan Sareen wrote:
Number of factors of A = 2^3 * 5^7 * 7^2
my answer is 96, but the real answer is 192.
Please help.
my answer is 96, but the real answer is 192.
Please help.
Hey Sujan,
I think that the answer is 96 as well.
There are three prime factors of A : 2, 5 and 7. So the number of ways you can select 2 is 4; 5 is 8 and 7 is 3. Hence total number of factors is 4 * 8 * 3 =96
Can you cite the source of the question?
Regards,
Sandy
Re: Number of factors
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15 Oct 2015, 09:16
15 Oct 2015, 09:16
Hi,
Actually, it's in my practice book for GRE provided by Jambooree.
Actually, it's in my practice book for GRE provided by Jambooree.
