Greatest Common Factor of 47, 31, 21, 742

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

• Greatest Common Factor of 47, 31, 21, 742 by common division method
• Greatest Common Factor of 47, 31, 21, 742 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 47

List of positive integer factors of 47 that divides 47 without a remainder.

1,47

Factors of 31

List of positive integer factors of 31 that divides 31 without a remainder.

1,31

Factors of 21

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

1,3,7,21

Factors of 742

List of positive integer factors of 742 that divides 742 without a remainder.

1,2,7,14,53,106,371,742

Greatest Common Factor

We found the factors 47,31,21,742 . The biggest common factor number is the GCF number.
So the greatest common factor 47,31,21,742 is 1.

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

• GCF of 36, 83, 24, 660
• GCF of 99, 49, 73, 431
• GCF of 99, 30, 10, 222
• GCF of 94, 86, 26, 804
• GCF of 63, 26, 51, 567

1. What is the GCF of 47, 31, 21, 742?

Answer: GCF of 47, 31, 21, 742 is 1.

2. How to Find the GCF of 47, 31, 21, 742

Answer: Greatest Common Factor(GCF) of 47, 31, 21, 742 = 1

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

Step 2: Then multiply all the prime factors GCF(47, 31, 21, 742) = 1.