Greatest Common Factor of 80, 10, 646

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

• Greatest Common Factor of 80, 10, 646 by common division method
• Greatest Common Factor of 80, 10, 646 with matching the biggest common factor

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∴ So the GCF of the given numbers is 2 = 2

Factors of 80

List of positive integer factors of 80 that divides 80 without a remainder.

1,2,4,5,8,10,16,20,40,80

Factors of 10

List of positive integer factors of 10 that divides 10 without a remainder.

1,2,5,10

Factors of 646

List of positive integer factors of 646 that divides 646 without a remainder.

1,2,17,19,34,38,323,646

Greatest Common Factor

We found the factors 80,10,646 . The biggest common factor number is the GCF number.
So the greatest common factor 80,10,646 is 2.

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

• GCF of 13, 28, 739
• GCF of 68, 32, 345
• GCF of 61, 71, 387
• GCF of 72, 10, 521
• GCF of 86, 95, 389

1. What is the GCF of 80, 10, 646?

Answer: GCF of 80, 10, 646 is 2.

2. How to Find the GCF of 80, 10, 646

Answer: Greatest Common Factor(GCF) of 80, 10, 646 = 2

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

Step 2: Then multiply all the prime factors GCF(80, 10, 646) = 2.