Greatest Common Factor of 206, 970, 21

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

• Greatest Common Factor of 206, 970, 21 by common division method
• Greatest Common Factor of 206, 970, 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 206

List of positive integer factors of 206 that divides 206 without a remainder.

1,2,103,206

Factors of 970

List of positive integer factors of 970 that divides 970 without a remainder.

1,2,5,10,97,194,485,970

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 206,970,21 . The biggest common factor number is the GCF number.
So the greatest common factor 206,970,21 is 1.

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

• GCF of 155, 507, 88
• GCF of 623, 115, 55
• GCF of 182, 844, 96
• GCF of 963, 902, 64
• GCF of 188, 674, 47

1. What is the GCF of 206, 970, 21?

Answer: GCF of 206, 970, 21 is 1.

2. How to Find the GCF of 206, 970, 21

Answer: Greatest Common Factor(GCF) of 206, 970, 21 = 1

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

Step 2: Then multiply all the prime factors GCF(206, 970, 21) = 1.