Greatest Common Factor of 375, 945, 21

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

• Greatest Common Factor of 375, 945, 21 by common division method
• Greatest Common Factor of 375, 945, 21 with matching the biggest common factor

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∴ So the GCF of the given numbers is 3 = 3

Factors of 375

List of positive integer factors of 375 that divides 375 without a remainder.

1,3,5,15,25,75,125,375

Factors of 945

List of positive integer factors of 945 that divides 945 without a remainder.

1,3,5,7,9,15,21,27,35,45,63,105,135,189,315,945

Factors of 21

List of positive integer factors of 21 that divides 21 without a remainder.

1,3,7,21

Greatest Common Factor

We found the factors 375,945,21 . The biggest common factor number is the GCF number.
So the greatest common factor 375,945,21 is 3.

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

• GCF of 653, 693, 14
• GCF of 890, 523, 13
• GCF of 456, 432, 95
• GCF of 756, 325, 44
• GCF of 221, 740, 48

1. What is the GCF of 375, 945, 21?

Answer: GCF of 375, 945, 21 is 3.

2. How to Find the GCF of 375, 945, 21

Answer: Greatest Common Factor(GCF) of 375, 945, 21 = 3

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

Step 2: Then multiply all the prime factors GCF(375, 945, 21) = 3.