Greatest Common Factor of 21, 89, 743

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

• Greatest Common Factor of 21, 89, 743 by common division method
• Greatest Common Factor of 21, 89, 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 89

List of positive integer factors of 89 that divides 89 without a remainder.

1,89

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 21,89,743 . The biggest common factor number is the GCF number.
So the greatest common factor 21,89,743 is 1.

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

• GCF of 90, 74, 607
• GCF of 17, 49, 811
• GCF of 17, 79, 276
• GCF of 14, 31, 336
• GCF of 27, 63, 260

1. What is the GCF of 21, 89, 743?

Answer: GCF of 21, 89, 743 is 1.

2. How to Find the GCF of 21, 89, 743

Answer: Greatest Common Factor(GCF) of 21, 89, 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, 89, 743) = 1.