Greatest Common Factor of 645, 210, 980

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

• Greatest Common Factor of 645, 210, 980 by common division method
• Greatest Common Factor of 645, 210, 980 with matching the biggest common factor

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∴ So the GCF of the given numbers is 5 = 5

Factors of 645

List of positive integer factors of 645 that divides 645 without a remainder.

1,3,5,15,43,129,215,645

Factors of 210

List of positive integer factors of 210 that divides 210 without a remainder.

1,2,3,5,6,7,10,14,15,21,30,35,42,70,105,210

Factors of 980

List of positive integer factors of 980 that divides 980 without a remainder.

1,2,4,5,7,10,14,20,28,35,49,70,98,140,196,245,490,980

Greatest Common Factor

We found the factors 645,210,980 . The biggest common factor number is the GCF number.
So the greatest common factor 645,210,980 is 5.

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

• GCF of 641, 534, 238
• GCF of 420, 562, 815
• GCF of 161, 110, 160
• GCF of 484, 262, 927
• GCF of 102, 924, 472

1. What is the GCF of 645, 210, 980?

Answer: GCF of 645, 210, 980 is 5.

2. How to Find the GCF of 645, 210, 980

Answer: Greatest Common Factor(GCF) of 645, 210, 980 = 5

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

Step 2: Then multiply all the prime factors GCF(645, 210, 980) = 5.