Seudónimo Seudónimo

02-08-2016
Mathematics

contestada

factors of 21 is not multiple of 7

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lobster lobster

02-08-2016

3 is a factor of 21 but not 7 Bc 21 is a prime number. Which means that is greater than 1 and its self.

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eowynrobinson eowynrobinson

02-08-2016

1, 3, and 21 are all multiples of 21. 21 is a composite number meaning it can be divided by numbers (not 1 or itself) 1 and 7 are factors or 7. 7 is a prime number meaning it can only be divided 1 and itself so the answer to your question would be 3 and 21. Hope it helped! ☺

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