Greatest Common Factor of 342, 610, 21

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

• Greatest Common Factor of 342, 610, 21 by common division method
• Greatest Common Factor of 342, 610, 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 342

List of positive integer factors of 342 that divides 342 without a remainder.

1,2,3,6,9,18,19,38,57,114,171,342

Factors of 610

List of positive integer factors of 610 that divides 610 without a remainder.

1,2,5,10,61,122,305,610

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 342,610,21 . The biggest common factor number is the GCF number.
So the greatest common factor 342,610,21 is 1.

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

• GCF of 657, 772, 25
• GCF of 337, 241, 21
• GCF of 529, 349, 93
• GCF of 427, 551, 64
• GCF of 648, 742, 81

1. What is the GCF of 342, 610, 21?

Answer: GCF of 342, 610, 21 is 1.

2. How to Find the GCF of 342, 610, 21

Answer: Greatest Common Factor(GCF) of 342, 610, 21 = 1

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

Step 2: Then multiply all the prime factors GCF(342, 610, 21) = 1.