Greatest Common Factor of 38, 97, 21, 345

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

• Greatest Common Factor of 38, 97, 21, 345 by common division method
• Greatest Common Factor of 38, 97, 21, 345 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 38

List of positive integer factors of 38 that divides 38 without a remainder.

1,2,19,38

Factors of 97

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

1,97

Factors of 21

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

1,3,7,21

Factors of 345

List of positive integer factors of 345 that divides 345 without a remainder.

1,3,5,15,23,69,115,345

Greatest Common Factor

We found the factors 38,97,21,345 . The biggest common factor number is the GCF number.
So the greatest common factor 38,97,21,345 is 1.

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

• GCF of 70, 48, 78, 788
• GCF of 60, 43, 34, 443
• GCF of 92, 44, 18, 118
• GCF of 34, 47, 71, 538
• GCF of 50, 74, 22, 826

1. What is the GCF of 38, 97, 21, 345?

Answer: GCF of 38, 97, 21, 345 is 1.

2. How to Find the GCF of 38, 97, 21, 345

Answer: Greatest Common Factor(GCF) of 38, 97, 21, 345 = 1

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

Step 2: Then multiply all the prime factors GCF(38, 97, 21, 345) = 1.