Greatest Common Factor of 645, 860, 75

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

• Greatest Common Factor of 645, 860, 75 by common division method
• Greatest Common Factor of 645, 860, 75 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 860

List of positive integer factors of 860 that divides 860 without a remainder.

1,2,4,5,10,20,43,86,172,215,430,860

Factors of 75

List of positive integer factors of 75 that divides 75 without a remainder.

1,3,5,15,25,75

Greatest Common Factor

We found the factors 645,860,75 . The biggest common factor number is the GCF number.
So the greatest common factor 645,860,75 is 5.

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

• GCF of 932, 773, 73
• GCF of 398, 633, 52
• GCF of 116, 322, 88
• GCF of 419, 960, 67
• GCF of 103, 964, 94

1. What is the GCF of 645, 860, 75?

Answer: GCF of 645, 860, 75 is 5.

2. How to Find the GCF of 645, 860, 75

Answer: Greatest Common Factor(GCF) of 645, 860, 75 = 5

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

Step 2: Then multiply all the prime factors GCF(645, 860, 75) = 5.