Greatest Common Factor of 39, 84, 31, 51

Greatest common factor or Greatest common divisor (GCD) can be calculated in two ways

• Greatest Common Factor of 39, 84, 31, 51 by common division method
• Greatest Common Factor of 39, 84, 31, 51 with matching the biggest common factor

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∴ GCF of numbers is 1 because of no common factors present between them.

Factors of 39

List of positive integer factors of 39 that divides 39 without a remainder.

1,3,13,39

Factors of 84

List of positive integer factors of 84 that divides 84 without a remainder.

1,2,3,4,6,7,12,14,21,28,42,84

Factors of 31

List of positive integer factors of 31 that divides 31 without a remainder.

1,31

Factors of 51

List of positive integer factors of 51 that divides 51 without a remainder.

1,3,17,51

Greatest Common Factor

We found the factors 39,84,31,51 . The biggest common factor number is the GCF number.
So the greatest common factor 39,84,31,51 is 1.

Here are some samples of GCF of two or more Numbers calculations.

• GCF of 90, 61, 92, 35
• GCF of 64, 14, 82, 63
• GCF of 93, 89, 93, 39
• GCF of 30, 15, 56, 16
• GCF of 34, 25, 97, 70

1. What is the GCF of 39, 84, 31, 51?

Answer: GCF of 39, 84, 31, 51 is 1.

2. How to Find the GCF of 39, 84, 31, 51

Answer: Greatest Common Factor(GCF) of 39, 84, 31, 51 = 1

Step 1: Divide all the numbers with common prime numbers having remainder zero.

Step 2: Then multiply all the prime factors GCF(39, 84, 31, 51) = 1.