Greatest Common Factor of 21, 65, 898

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

• Greatest Common Factor of 21, 65, 898 by common division method
• Greatest Common Factor of 21, 65, 898 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 65

List of positive integer factors of 65 that divides 65 without a remainder.

1,5,13,65

Factors of 898

List of positive integer factors of 898 that divides 898 without a remainder.

1,2,449,898

Greatest Common Factor

We found the factors 21,65,898 . The biggest common factor number is the GCF number.
So the greatest common factor 21,65,898 is 1.

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

• GCF of 13, 16, 828
• GCF of 26, 52, 443
• GCF of 57, 61, 466
• GCF of 41, 54, 201
• GCF of 45, 77, 223

1. What is the GCF of 21, 65, 898?

Answer: GCF of 21, 65, 898 is 1.

2. How to Find the GCF of 21, 65, 898

Answer: Greatest Common Factor(GCF) of 21, 65, 898 = 1

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

Step 2: Then multiply all the prime factors GCF(21, 65, 898) = 1.