Greatest Common Factor of 397, 399, 91

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

• Greatest Common Factor of 397, 399, 91 by common division method
• Greatest Common Factor of 397, 399, 91 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 397

List of positive integer factors of 397 that divides 397 without a remainder.

1,397

Factors of 399

List of positive integer factors of 399 that divides 399 without a remainder.

1,3,7,19,21,57,133,399

Factors of 91

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

1,7,13,91

Greatest Common Factor

We found the factors 397,399,91 . The biggest common factor number is the GCF number.
So the greatest common factor 397,399,91 is 1.

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

• GCF of 431, 485, 17
• GCF of 744, 797, 95
• GCF of 853, 387, 32
• GCF of 743, 949, 70
• GCF of 114, 364, 89

1. What is the GCF of 397, 399, 91?

Answer: GCF of 397, 399, 91 is 1.

2. How to Find the GCF of 397, 399, 91

Answer: Greatest Common Factor(GCF) of 397, 399, 91 = 1

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

Step 2: Then multiply all the prime factors GCF(397, 399, 91) = 1.