Greatest Common Factor of 21, 91, 272

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

• Greatest Common Factor of 21, 91, 272 by common division method
• Greatest Common Factor of 21, 91, 272 with matching the biggest common factor

Maximum 4 Number can be enter but you can reset

∴ 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 91

List of positive integer factors of 91 that divides 91 without a remainder.

1,7,13,91

Factors of 272

List of positive integer factors of 272 that divides 272 without a remainder.

1,2,4,8,16,17,34,68,136,272

Greatest Common Factor

We found the factors 21,91,272 . The biggest common factor number is the GCF number.
So the greatest common factor 21,91,272 is 1.

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

• GCF of 45, 79, 104
• GCF of 22, 41, 302
• GCF of 12, 73, 203
• GCF of 99, 37, 592
• GCF of 39, 91, 934

1. What is the GCF of 21, 91, 272?

Answer: GCF of 21, 91, 272 is 1.

2. How to Find the GCF of 21, 91, 272

Answer: Greatest Common Factor(GCF) of 21, 91, 272 = 1

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

Step 2: Then multiply all the prime factors GCF(21, 91, 272) = 1.