Greatest Common Factor of 21, 497, 443

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

• Greatest Common Factor of 21, 497, 443 by common division method
• Greatest Common Factor of 21, 497, 443 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 497

List of positive integer factors of 497 that divides 497 without a remainder.

1,7,71,497

Factors of 443

List of positive integer factors of 443 that divides 443 without a remainder.

1,443

Greatest Common Factor

We found the factors 21,497,443 . The biggest common factor number is the GCF number.
So the greatest common factor 21,497,443 is 1.

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

• GCF of 58, 889, 635
• GCF of 54, 382, 318
• GCF of 42, 160, 131
• GCF of 85, 995, 834
• GCF of 95, 538, 698

1. What is the GCF of 21, 497, 443?

Answer: GCF of 21, 497, 443 is 1.

2. How to Find the GCF of 21, 497, 443

Answer: Greatest Common Factor(GCF) of 21, 497, 443 = 1

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

Step 2: Then multiply all the prime factors GCF(21, 497, 443) = 1.