Greatest Common Factor of 780, 391, 64

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

• Greatest Common Factor of 780, 391, 64 by common division method
• Greatest Common Factor of 780, 391, 64 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 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

Factors of 391

List of positive integer factors of 391 that divides 391 without a remainder.

1,17,23,391

Factors of 64

List of positive integer factors of 64 that divides 64 without a remainder.

1,2,4,8,16,32,64

Greatest Common Factor

We found the factors 780,391,64 . The biggest common factor number is the GCF number.
So the greatest common factor 780,391,64 is 1.

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

• GCF of 846, 879, 55
• GCF of 137, 548, 23
• GCF of 340, 639, 25
• GCF of 560, 870, 86
• GCF of 278, 194, 91

1. What is the GCF of 780, 391, 64?

Answer: GCF of 780, 391, 64 is 1.

2. How to Find the GCF of 780, 391, 64

Answer: Greatest Common Factor(GCF) of 780, 391, 64 = 1

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

Step 2: Then multiply all the prime factors GCF(780, 391, 64) = 1.