Greatest Common Factor of 4, 31, 65, 51

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

• Greatest Common Factor of 4, 31, 65, 51 by common division method
• Greatest Common Factor of 4, 31, 65, 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 4

List of positive integer factors of 4 that divides 4 without a remainder.

1,2,4

Factors of 31

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

1,31

Factors of 65

List of positive integer factors of 65 that divides 65 without a remainder.

1,5,13,65

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 4,31,65,51 . The biggest common factor number is the GCF number.
So the greatest common factor 4,31,65,51 is 1.

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

• GCF of 2, 23, 67, 11
• GCF of 7, 47, 33, 72
• GCF of 9, 97, 93, 70
• GCF of 3, 74, 69, 48
• GCF of 9, 70, 36, 58

1. What is the GCF of 4, 31, 65, 51?

Answer: GCF of 4, 31, 65, 51 is 1.

2. How to Find the GCF of 4, 31, 65, 51

Answer: Greatest Common Factor(GCF) of 4, 31, 65, 51 = 1

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

Step 2: Then multiply all the prime factors GCF(4, 31, 65, 51) = 1.