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A Prime number has only 2 factors which are 1 and itself. Composite numbers are everything else except 1 and 0. There are an infinite amount of prime numbers.
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Earn +20 ptsQ: How many prime number pairs are there?
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How many factors are in 53?
Prime Number - Factors: 1, 53Factor Pairs: 1 x 53
How many pairs of prime numbers are in 69?
43
What are two prime numbers less than 20 who's sum is also a prime number?
(2,3) and (2,5) are the two pairs such that the sum of their elements is a prime number.
How many pairs of prime numbers have a sum of 100?
6
What twin primes are pairs of prime number that differ by 2?
5 - 3 = 2
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