Greatest Common Factor of 21, 133, 961

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

• Greatest Common Factor of 21, 133, 961 by common division method
• Greatest Common Factor of 21, 133, 961 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 133

List of positive integer factors of 133 that divides 133 without a remainder.

1,7,19,133

Factors of 961

List of positive integer factors of 961 that divides 961 without a remainder.

1,31,961

Greatest Common Factor

We found the factors 21,133,961 . The biggest common factor number is the GCF number.
So the greatest common factor 21,133,961 is 1.

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

• GCF of 61, 306, 319
• GCF of 51, 889, 537
• GCF of 30, 844, 998
• GCF of 69, 179, 337
• GCF of 89, 997, 617

1. What is the GCF of 21, 133, 961?

Answer: GCF of 21, 133, 961 is 1.

2. How to Find the GCF of 21, 133, 961

Answer: Greatest Common Factor(GCF) of 21, 133, 961 = 1

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

Step 2: Then multiply all the prime factors GCF(21, 133, 961) = 1.