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Earn +20 ptsQ: Is 51 and 57 prime numbers?
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Is 51 and 57 prime?
No because they are both composite numbers
Why 57 51 are not prime numbers?
57 can be divided by 3 and 19 with no remainder. 51 can be divided by 3 and 17 with no remainder.
Why are 51 57 87 and 91 not prime numbers?
because it has two or more factors
What numbers is halfway between 51 and 57?
(51+57)/2 = 54
Can you find 4 consecutive prime numbers that add up to 220?
Yes; they are 51, 53, 57, 59.
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