Greatest Common Factor of 97, 98, 81, 172

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

• Greatest Common Factor of 97, 98, 81, 172 by common division method
• Greatest Common Factor of 97, 98, 81, 172 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 98

List of positive integer factors of 98 that divides 98 without a remainder.

1,2,7,14,49,98

Factors of 81

List of positive integer factors of 81 that divides 81 without a remainder.

1,3,9,27,81

Factors of 172

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

1,2,4,43,86,172

Greatest Common Factor

We found the factors 97,98,81,172 . The biggest common factor number is the GCF number.
So the greatest common factor 97,98,81,172 is 1.

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

• GCF of 18, 71, 85, 960
• GCF of 52, 75, 36, 163
• GCF of 31, 31, 88, 521
• GCF of 52, 17, 76, 760
• GCF of 87, 63, 20, 866

1. What is the GCF of 97, 98, 81, 172?

Answer: GCF of 97, 98, 81, 172 is 1.

2. How to Find the GCF of 97, 98, 81, 172

Answer: Greatest Common Factor(GCF) of 97, 98, 81, 172 = 1

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

Step 2: Then multiply all the prime factors GCF(97, 98, 81, 172) = 1.