Greatest Common Factor of 43, 21, 742

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

• Greatest Common Factor of 43, 21, 742 by common division method
• Greatest Common Factor of 43, 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 43

List of positive integer factors of 43 that divides 43 without a remainder.

1,43

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 43,21,742 . The biggest common factor number is the GCF number.
So the greatest common factor 43,21,742 is 1.

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

• GCF of 97, 49, 972
• GCF of 37, 39, 250
• GCF of 54, 10, 484
• GCF of 78, 96, 478
• GCF of 30, 21, 729

1. What is the GCF of 43, 21, 742?

Answer: GCF of 43, 21, 742 is 1.

2. How to Find the GCF of 43, 21, 742

Answer: Greatest Common Factor(GCF) of 43, 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(43, 21, 742) = 1.