Greatest Common Factor of 197, 299, 21

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

• Greatest Common Factor of 197, 299, 21 by common division method
• Greatest Common Factor of 197, 299, 21 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 197

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

1,197

Factors of 299

List of positive integer factors of 299 that divides 299 without a remainder.

1,13,23,299

Factors of 21

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

1,3,7,21

Greatest Common Factor

We found the factors 197,299,21 . The biggest common factor number is the GCF number.
So the greatest common factor 197,299,21 is 1.

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

• GCF of 260, 257, 73
• GCF of 381, 709, 73
• GCF of 593, 954, 31
• GCF of 415, 423, 70
• GCF of 466, 757, 54

1. What is the GCF of 197, 299, 21?

Answer: GCF of 197, 299, 21 is 1.

2. How to Find the GCF of 197, 299, 21

Answer: Greatest Common Factor(GCF) of 197, 299, 21 = 1

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

Step 2: Then multiply all the prime factors GCF(197, 299, 21) = 1.