Greatest Common Factor of 21, 646, 498

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

• Greatest Common Factor of 21, 646, 498 by common division method
• Greatest Common Factor of 21, 646, 498 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 646

List of positive integer factors of 646 that divides 646 without a remainder.

1,2,17,19,34,38,323,646

Factors of 498

List of positive integer factors of 498 that divides 498 without a remainder.

1,2,3,6,83,166,249,498

Greatest Common Factor

We found the factors 21,646,498 . The biggest common factor number is the GCF number.
So the greatest common factor 21,646,498 is 1.

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

• GCF of 17, 607, 294
• GCF of 76, 217, 586
• GCF of 58, 124, 779
• GCF of 21, 900, 937
• GCF of 71, 979, 372

1. What is the GCF of 21, 646, 498?

Answer: GCF of 21, 646, 498 is 1.

2. How to Find the GCF of 21, 646, 498

Answer: Greatest Common Factor(GCF) of 21, 646, 498 = 1

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

Step 2: Then multiply all the prime factors GCF(21, 646, 498) = 1.