Greatest Common Factor of 21, 479, 130

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

• Greatest Common Factor of 21, 479, 130 by common division method
• Greatest Common Factor of 21, 479, 130 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 479

List of positive integer factors of 479 that divides 479 without a remainder.

1,479

Factors of 130

List of positive integer factors of 130 that divides 130 without a remainder.

1,2,5,10,13,26,65,130

Greatest Common Factor

We found the factors 21,479,130 . The biggest common factor number is the GCF number.
So the greatest common factor 21,479,130 is 1.

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

• GCF of 69, 242, 257
• GCF of 98, 441, 390
• GCF of 73, 617, 250
• GCF of 24, 251, 535
• GCF of 77, 285, 992

1. What is the GCF of 21, 479, 130?

Answer: GCF of 21, 479, 130 is 1.

2. How to Find the GCF of 21, 479, 130

Answer: Greatest Common Factor(GCF) of 21, 479, 130 = 1

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

Step 2: Then multiply all the prime factors GCF(21, 479, 130) = 1.