Greatest Common Factor of 75, 47, 645

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

• Greatest Common Factor of 75, 47, 645 by common division method
• Greatest Common Factor of 75, 47, 645 with matching the biggest common factor

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∴ GCF of numbers is 1 because of no common factors present between them.

Factors of 75

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

1,3,5,15,25,75

Factors of 47

List of positive integer factors of 47 that divides 47 without a remainder.

1,47

Factors of 645

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

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

Greatest Common Factor

We found the factors 75,47,645 . The biggest common factor number is the GCF number.
So the greatest common factor 75,47,645 is 1.

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

• GCF of 24, 53, 484
• GCF of 66, 66, 345
• GCF of 27, 52, 251
• GCF of 57, 21, 827
• GCF of 85, 98, 856

1. What is the GCF of 75, 47, 645?

Answer: GCF of 75, 47, 645 is 1.

2. How to Find the GCF of 75, 47, 645

Answer: Greatest Common Factor(GCF) of 75, 47, 645 = 1

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

Step 2: Then multiply all the prime factors GCF(75, 47, 645) = 1.