Greatest Common Factor of 21, 34, 207

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

• Greatest Common Factor of 21, 34, 207 by common division method
• Greatest Common Factor of 21, 34, 207 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 34

List of positive integer factors of 34 that divides 34 without a remainder.

1,2,17,34

Factors of 207

List of positive integer factors of 207 that divides 207 without a remainder.

1,3,9,23,69,207

Greatest Common Factor

We found the factors 21,34,207 . The biggest common factor number is the GCF number.
So the greatest common factor 21,34,207 is 1.

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

• GCF of 96, 34, 440
• GCF of 57, 76, 443
• GCF of 27, 65, 536
• GCF of 25, 44, 712
• GCF of 79, 92, 868

1. What is the GCF of 21, 34, 207?

Answer: GCF of 21, 34, 207 is 1.

2. How to Find the GCF of 21, 34, 207

Answer: Greatest Common Factor(GCF) of 21, 34, 207 = 1

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

Step 2: Then multiply all the prime factors GCF(21, 34, 207) = 1.