Greatest Common Factor of 31, 68, 80, 87

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

• Greatest Common Factor of 31, 68, 80, 87 by common division method
• Greatest Common Factor of 31, 68, 80, 87 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 31

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

1,31

Factors of 68

List of positive integer factors of 68 that divides 68 without a remainder.

1,2,4,17,34,68

Factors of 80

List of positive integer factors of 80 that divides 80 without a remainder.

1,2,4,5,8,10,16,20,40,80

Factors of 87

List of positive integer factors of 87 that divides 87 without a remainder.

1,3,29,87

Greatest Common Factor

We found the factors 31,68,80,87 . The biggest common factor number is the GCF number.
So the greatest common factor 31,68,80,87 is 1.

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

• GCF of 73, 22, 51, 47
• GCF of 60, 98, 99, 62
• GCF of 85, 78, 79, 63
• GCF of 52, 16, 64, 47
• GCF of 94, 27, 66, 79

1. What is the GCF of 31, 68, 80, 87?

Answer: GCF of 31, 68, 80, 87 is 1.

2. How to Find the GCF of 31, 68, 80, 87

Answer: Greatest Common Factor(GCF) of 31, 68, 80, 87 = 1

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

Step 2: Then multiply all the prime factors GCF(31, 68, 80, 87) = 1.