Greatest Common Factor of 21, 155, 262

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

• Greatest Common Factor of 21, 155, 262 by common division method
• Greatest Common Factor of 21, 155, 262 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 155

List of positive integer factors of 155 that divides 155 without a remainder.

1,5,31,155

Factors of 262

List of positive integer factors of 262 that divides 262 without a remainder.

1,2,131,262

Greatest Common Factor

We found the factors 21,155,262 . The biggest common factor number is the GCF number.
So the greatest common factor 21,155,262 is 1.

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

• GCF of 99, 846, 975
• GCF of 57, 549, 790
• GCF of 82, 627, 706
• GCF of 77, 574, 874
• GCF of 32, 454, 167

1. What is the GCF of 21, 155, 262?

Answer: GCF of 21, 155, 262 is 1.

2. How to Find the GCF of 21, 155, 262

Answer: Greatest Common Factor(GCF) of 21, 155, 262 = 1

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

Step 2: Then multiply all the prime factors GCF(21, 155, 262) = 1.