Greatest Common Factor of 71, 21, 742

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

• Greatest Common Factor of 71, 21, 742 by common division method
• Greatest Common Factor of 71, 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 71

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

1,71

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 71,21,742 . The biggest common factor number is the GCF number.
So the greatest common factor 71,21,742 is 1.

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

• GCF of 57, 32, 297
• GCF of 93, 58, 272
• GCF of 81, 27, 825
• GCF of 82, 85, 890
• GCF of 46, 33, 936

1. What is the GCF of 71, 21, 742?

Answer: GCF of 71, 21, 742 is 1.

2. How to Find the GCF of 71, 21, 742

Answer: Greatest Common Factor(GCF) of 71, 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(71, 21, 742) = 1.