Identify two numbers with a GCF of 15 and LCM of 315

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Plleeaasse .. you've got to help me ! ^^
15 and 315
because the factors of 15 is 1,3,5 and 15 and the factors of 315
the factors of 315 are
1,315,3,105,63,15,21,7,45,9,35
so the GCF of 15 and 315 is 15
and the LCM of 15 and 315 is 315
because 315 is multiples of 315 and 15

Answers

2014-10-09T21:21:51+08:00
5 and 15 has 15 as the GCF, and 63 and 5 has 315 as the LCM. Don't hate me if I'm wrong.. ^-^
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2014-10-09T21:27:01+08:00

15=5×3
315=63×5
63=21×3
21=7×3
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