Greatest Common Factor of 21, 31, 743

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

• Greatest Common Factor of 21, 31, 743 by common division method
• Greatest Common Factor of 21, 31, 743 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 21

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

1,3,7,21

Factors of 31

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

1,31

Factors of 743

List of positive integer factors of 743 that divides 743 without a remainder.

1,743

Greatest Common Factor

We found the factors 21,31,743 . The biggest common factor number is the GCF number.
So the greatest common factor 21,31,743 is 1.

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

• GCF of 12, 76, 608
• GCF of 93, 32, 170
• GCF of 81, 41, 570
• GCF of 32, 48, 962
• GCF of 18, 92, 335

1. What is the GCF of 21, 31, 743?

Answer: GCF of 21, 31, 743 is 1.

2. How to Find the GCF of 21, 31, 743

Answer: Greatest Common Factor(GCF) of 21, 31, 743 = 1

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

Step 2: Then multiply all the prime factors GCF(21, 31, 743) = 1.