Greatest Common Factor of 645, 325, 90

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

• Greatest Common Factor of 645, 325, 90 by common division method
• Greatest Common Factor of 645, 325, 90 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 325

List of positive integer factors of 325 that divides 325 without a remainder.

1,5,13,25,65,325

Factors of 90

List of positive integer factors of 90 that divides 90 without a remainder.

1,2,3,5,6,9,10,15,18,30,45,90

Greatest Common Factor

We found the factors 645,325,90 . The biggest common factor number is the GCF number.
So the greatest common factor 645,325,90 is 5.

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

• GCF of 610, 937, 57
• GCF of 559, 275, 65
• GCF of 391, 163, 57
• GCF of 279, 776, 23
• GCF of 374, 618, 53

1. What is the GCF of 645, 325, 90?

Answer: GCF of 645, 325, 90 is 5.

2. How to Find the GCF of 645, 325, 90

Answer: Greatest Common Factor(GCF) of 645, 325, 90 = 5

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

Step 2: Then multiply all the prime factors GCF(645, 325, 90) = 5.