Greatest Common Factor of 20, 780, 310

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

• Greatest Common Factor of 20, 780, 310 by common division method
• Greatest Common Factor of 20, 780, 310 with matching the biggest common factor

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∴ So the GCF of the given numbers is 2 x 5 = 10

Factors of 20

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

1,2,4,5,10,20

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 310

List of positive integer factors of 310 that divides 310 without a remainder.

1,2,5,10,31,62,155,310

Greatest Common Factor

We found the factors 20,780,310 . The biggest common factor number is the GCF number.
So the greatest common factor 20,780,310 is 10.

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

• GCF of 29, 943, 303
• GCF of 71, 223, 590
• GCF of 50, 798, 305
• GCF of 76, 785, 152
• GCF of 77, 252, 113

1. What is the GCF of 20, 780, 310?

Answer: GCF of 20, 780, 310 is 10.

2. How to Find the GCF of 20, 780, 310

Answer: Greatest Common Factor(GCF) of 20, 780, 310 = 10

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

Step 2: Then multiply all the prime factors GCF(20, 780, 310) = 10.