Greatest Common Factor of 21, 52, 129

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

• Greatest Common Factor of 21, 52, 129 by common division method
• Greatest Common Factor of 21, 52, 129 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 21

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

1,3,7,21

Factors of 52

List of positive integer factors of 52 that divides 52 without a remainder.

1,2,4,13,26,52

Factors of 129

List of positive integer factors of 129 that divides 129 without a remainder.

1,3,43,129

Greatest Common Factor

We found the factors 21,52,129 . The biggest common factor number is the GCF number.
So the greatest common factor 21,52,129 is 1.

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

• GCF of 47, 88, 515
• GCF of 27, 45, 113
• GCF of 90, 18, 543
• GCF of 63, 34, 433
• GCF of 48, 22, 811

1. What is the GCF of 21, 52, 129?

Answer: GCF of 21, 52, 129 is 1.

2. How to Find the GCF of 21, 52, 129

Answer: Greatest Common Factor(GCF) of 21, 52, 129 = 1

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

Step 2: Then multiply all the prime factors GCF(21, 52, 129) = 1.