Greatest Common Factor of 91, 20, 97, 60, 780

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

• Greatest Common Factor of 91, 20, 97, 60, 780 by common division method
• Greatest Common Factor of 91, 20, 97, 60, 780 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 91

List of positive integer factors of 91 that divides 91 without a remainder.

1,7,13,91

Factors of 20

List of positive integer factors of 20 that divides 20 without a remainder.

1,2,4,5,10,20

Factors of 97

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

1,97

Factors of 60

List of positive integer factors of 60 that divides 60 without a remainder.

1,2,3,4,5,6,10,12,15,20,30,60

Factors of 780

List of positive integer factors of 780 that divides 780 without a remainder.

1,2,3,4,5,6,10,12,13,15,20,26,30,39,52,60,65,78,130,156,195,260,390,780

Greatest Common Factor

We found the factors 91,20,97,60,780 . The biggest common factor number is the GCF number.
So the greatest common factor 91,20,97,60,780 is 1.

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

• GCF of 18, 43, 93, 80, 408
• GCF of 31, 63, 38, 15, 443
• GCF of 95, 87, 23, 53, 684
• GCF of 91, 18, 60, 52, 102
• GCF of 68, 12, 80, 82, 877

1. What is the GCF of 91, 20, 97, 60, 780?

Answer: GCF of 91, 20, 97, 60, 780 is 1.

2. How to Find the GCF of 91, 20, 97, 60, 780

Answer: Greatest Common Factor(GCF) of 91, 20, 97, 60, 780 = 1

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

Step 2: Then multiply all the prime factors GCF(91, 20, 97, 60, 780) = 1.