Greatest Common Factor of 91, 221

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

• Greatest Common Factor of 91, 221 by common division method
• Greatest Common Factor of 91, 221 with matching the biggest common factor

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∴ So the GCF of the given numbers is 13 = 13

Factors of 91

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

1,7,13,91

Factors of 221

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

1,13,17,221

Greatest Common Factor

We found the factors 91,221 . The biggest common factor number is the GCF number.
So the greatest common factor 91,221 is 13.

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

• GCF of 62, 896
• GCF of 78, 464
• GCF of 42, 826
• GCF of 14, 102
• GCF of 25, 414

1. What is the GCF of 91, 221?

Answer: GCF of 91, 221 is 13.

2. How to Find the GCF of 91, 221

Answer: Greatest Common Factor(GCF) of 91, 221 = 13

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

Step 2: Then multiply all the prime factors GCF(91, 221) = 13.