Greatest Common Factor of 97, 80, 172, 521

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

• Greatest Common Factor of 97, 80, 172, 521 by common division method
• Greatest Common Factor of 97, 80, 172, 521 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 97

List of positive integer factors of 97 that divides 97 without a remainder.

1,97

Factors of 80

List of positive integer factors of 80 that divides 80 without a remainder.

1,2,4,5,8,10,16,20,40,80

Factors of 172

List of positive integer factors of 172 that divides 172 without a remainder.

1,2,4,43,86,172

Factors of 521

List of positive integer factors of 521 that divides 521 without a remainder.

1,521

Greatest Common Factor

We found the factors 97,80,172,521 . The biggest common factor number is the GCF number.
So the greatest common factor 97,80,172,521 is 1.

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

• GCF of 99, 22, 284, 933
• GCF of 75, 38, 974, 139
• GCF of 42, 69, 706, 489
• GCF of 47, 29, 990, 389
• GCF of 26, 60, 914, 392

1. What is the GCF of 97, 80, 172, 521?

Answer: GCF of 97, 80, 172, 521 is 1.

2. How to Find the GCF of 97, 80, 172, 521

Answer: Greatest Common Factor(GCF) of 97, 80, 172, 521 = 1

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

Step 2: Then multiply all the prime factors GCF(97, 80, 172, 521) = 1.