Greatest Common Factor of 91, 780

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

• Greatest Common Factor of 91, 780 by common division method
• Greatest Common Factor of 91, 780 with matching the biggest common factor

Maximum 4 Number can be enter but you can reset

∴ So the GCF of the given numbers is 13 = 13

Factors of 91

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

1,7,13,91

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 91,780 . The biggest common factor number is the GCF number.
So the greatest common factor 91,780 is 13.

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

• GCF of 79, 815
• GCF of 55, 972
• GCF of 60, 323
• GCF of 74, 718
• GCF of 89, 688

1. What is the GCF of 91, 780?

Answer: GCF of 91, 780 is 13.

2. How to Find the GCF of 91, 780

Answer: Greatest Common Factor(GCF) of 91, 780 = 13

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

Step 2: Then multiply all the prime factors GCF(91, 780) = 13.