Greatest Common Factor of 13, 71, 37, 421

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

• Greatest Common Factor of 13, 71, 37, 421 by common division method
• Greatest Common Factor of 13, 71, 37, 421 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 13

List of positive integer factors of 13 that divides 13 without a remainder.

1,13

Factors of 71

List of positive integer factors of 71 that divides 71 without a remainder.

1,71

Factors of 37

List of positive integer factors of 37 that divides 37 without a remainder.

1,37

Factors of 421

List of positive integer factors of 421 that divides 421 without a remainder.

1,421

Greatest Common Factor

We found the factors 13,71,37,421 . The biggest common factor number is the GCF number.
So the greatest common factor 13,71,37,421 is 1.

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

• GCF of 35, 31, 70, 778
• GCF of 29, 79, 17, 675
• GCF of 81, 11, 26, 747
• GCF of 37, 69, 55, 718
• GCF of 56, 84, 55, 630

1. What is the GCF of 13, 71, 37, 421?

Answer: GCF of 13, 71, 37, 421 is 1.

2. How to Find the GCF of 13, 71, 37, 421

Answer: Greatest Common Factor(GCF) of 13, 71, 37, 421 = 1

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

Step 2: Then multiply all the prime factors GCF(13, 71, 37, 421) = 1.