Greatest Common Factor of 21, 386, 197

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

• Greatest Common Factor of 21, 386, 197 by common division method
• Greatest Common Factor of 21, 386, 197 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 386

List of positive integer factors of 386 that divides 386 without a remainder.

1,2,193,386

Factors of 197

List of positive integer factors of 197 that divides 197 without a remainder.

1,197

Greatest Common Factor

We found the factors 21,386,197 . The biggest common factor number is the GCF number.
So the greatest common factor 21,386,197 is 1.

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

• GCF of 60, 394, 507
• GCF of 82, 526, 662
• GCF of 46, 707, 476
• GCF of 88, 541, 977
• GCF of 46, 471, 317

1. What is the GCF of 21, 386, 197?

Answer: GCF of 21, 386, 197 is 1.

2. How to Find the GCF of 21, 386, 197

Answer: Greatest Common Factor(GCF) of 21, 386, 197 = 1

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

Step 2: Then multiply all the prime factors GCF(21, 386, 197) = 1.