Greatest Common Factor of 10, 21, 975

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

• Greatest Common Factor of 10, 21, 975 by common division method
• Greatest Common Factor of 10, 21, 975 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 10

List of positive integer factors of 10 that divides 10 without a remainder.

1,2,5,10

Factors of 21

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

1,3,7,21

Factors of 975

List of positive integer factors of 975 that divides 975 without a remainder.

1,3,5,13,15,25,39,65,75,195,325,975

Greatest Common Factor

We found the factors 10,21,975 . The biggest common factor number is the GCF number.
So the greatest common factor 10,21,975 is 1.

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

• GCF of 90, 96, 957
• GCF of 46, 12, 468
• GCF of 94, 36, 766
• GCF of 78, 45, 611
• GCF of 96, 96, 982

1. What is the GCF of 10, 21, 975?

Answer: GCF of 10, 21, 975 is 1.

2. How to Find the GCF of 10, 21, 975

Answer: Greatest Common Factor(GCF) of 10, 21, 975 = 1

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

Step 2: Then multiply all the prime factors GCF(10, 21, 975) = 1.