Greatest Common Factor of 961, 221, 42

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

• Greatest Common Factor of 961, 221, 42 by common division method
• Greatest Common Factor of 961, 221, 42 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 961

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

1,31,961

Factors of 221

List of positive integer factors of 221 that divides 221 without a remainder.

1,13,17,221

Factors of 42

List of positive integer factors of 42 that divides 42 without a remainder.

1,2,3,6,7,14,21,42

Greatest Common Factor

We found the factors 961,221,42 . The biggest common factor number is the GCF number.
So the greatest common factor 961,221,42 is 1.

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

• GCF of 100, 861, 62
• GCF of 885, 703, 84
• GCF of 652, 356, 97
• GCF of 508, 421, 14
• GCF of 143, 118, 14

1. What is the GCF of 961, 221, 42?

Answer: GCF of 961, 221, 42 is 1.

2. How to Find the GCF of 961, 221, 42

Answer: Greatest Common Factor(GCF) of 961, 221, 42 = 1

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

Step 2: Then multiply all the prime factors GCF(961, 221, 42) = 1.