Greatest Common Factor of 371, 417, 21

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

• Greatest Common Factor of 371, 417, 21 by common division method
• Greatest Common Factor of 371, 417, 21 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 371

List of positive integer factors of 371 that divides 371 without a remainder.

1,7,53,371

Factors of 417

List of positive integer factors of 417 that divides 417 without a remainder.

1,3,139,417

Factors of 21

List of positive integer factors of 21 that divides 21 without a remainder.

1,3,7,21

Greatest Common Factor

We found the factors 371,417,21 . The biggest common factor number is the GCF number.
So the greatest common factor 371,417,21 is 1.

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

• GCF of 475, 438, 35
• GCF of 628, 176, 49
• GCF of 340, 441, 65
• GCF of 217, 429, 89
• GCF of 190, 532, 65

1. What is the GCF of 371, 417, 21?

Answer: GCF of 371, 417, 21 is 1.

2. How to Find the GCF of 371, 417, 21

Answer: Greatest Common Factor(GCF) of 371, 417, 21 = 1

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

Step 2: Then multiply all the prime factors GCF(371, 417, 21) = 1.