Greatest Common Factor of 97, 39, 86, 21, 972

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

• Greatest Common Factor of 97, 39, 86, 21, 972 by common division method
• Greatest Common Factor of 97, 39, 86, 21, 972 with matching the biggest common factor

Maximum 4 Number can be enter but you can reset

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

Factors of 97

List of positive integer factors of 97 that divides 97 without a remainder.

1,97

Factors of 39

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

1,3,13,39

Factors of 86

List of positive integer factors of 86 that divides 86 without a remainder.

1,2,43,86

Factors of 21

List of positive integer factors of 21 that divides 21 without a remainder.

1,3,7,21

Factors of 972

List of positive integer factors of 972 that divides 972 without a remainder.

1,2,3,4,6,9,12,18,27,36,54,81,108,162,243,324,486,972

Greatest Common Factor

We found the factors 97,39,86,21,972 . The biggest common factor number is the GCF number.
So the greatest common factor 97,39,86,21,972 is 1.

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

• GCF of 13, 58, 52, 93, 261
• GCF of 76, 27, 43, 13, 482
• GCF of 54, 86, 23, 67, 825
• GCF of 56, 69, 12, 91, 503
• GCF of 55, 25, 65, 94, 378

1. What is the GCF of 97, 39, 86, 21, 972?

Answer: GCF of 97, 39, 86, 21, 972 is 1.

2. How to Find the GCF of 97, 39, 86, 21, 972

Answer: Greatest Common Factor(GCF) of 97, 39, 86, 21, 972 = 1

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

Step 2: Then multiply all the prime factors GCF(97, 39, 86, 21, 972) = 1.