Greatest Common Factor of 21, 16, 498

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

• Greatest Common Factor of 21, 16, 498 by common division method
• Greatest Common Factor of 21, 16, 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 16

List of positive integer factors of 16 that divides 16 without a remainder.

1,2,4,8,16

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 21,16,498 . The biggest common factor number is the GCF number.
So the greatest common factor 21,16,498 is 1.

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

• GCF of 89, 99, 671
• GCF of 76, 45, 418
• GCF of 60, 34, 826
• GCF of 19, 53, 386
• GCF of 16, 83, 778

1. What is the GCF of 21, 16, 498?

Answer: GCF of 21, 16, 498 is 1.

2. How to Find the GCF of 21, 16, 498

Answer: Greatest Common Factor(GCF) of 21, 16, 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, 16, 498) = 1.