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Exactly as it is because 31 is a Prime number
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What are all the factor pairs of 31?
They are itself and 1 because 31 is a prime number
What is the greatest common factor of 12 21 and 31?
31 is a prime number meaning it is only divisible by 1 and itself. since 31 is the largest number the only common factor is 1
What is a factor tree for 434?
4342, 2172, 7, 31Note: 31 is a prime number
What is the greatest common factor using prime factorization of 155 and 217?
5 x 31 = 1557 x 31 = 217The GCF is 31.
What are all the greatest common factors of 14 and 56?
The GCF of 14, 31, 39, and 56 is 1. One way to solve the problem is to notice that 31 is prime, and can't possibly be a factor of 14, which is smaller.If you prefer, you can write the prime factorization of each number in the set and find the GCF:The prime factorization of 14 is 2*7The prime factorization of 31 is 31 (1*31)The prime factorization of 39 is 3*39The prime factorization of 56 is 2*2*2*7So the GCF is 1.
