Greatest Common Factor of 735, 556, 21

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

• Greatest Common Factor of 735, 556, 21 by common division method
• Greatest Common Factor of 735, 556, 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 735

List of positive integer factors of 735 that divides 735 without a remainder.

1,3,5,7,15,21,35,49,105,147,245,735

Factors of 556

List of positive integer factors of 556 that divides 556 without a remainder.

1,2,4,139,278,556

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 735,556,21 . The biggest common factor number is the GCF number.
So the greatest common factor 735,556,21 is 1.

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

• GCF of 478, 798, 89
• GCF of 224, 476, 35
• GCF of 506, 385, 13
• GCF of 593, 225, 54
• GCF of 639, 795, 82

1. What is the GCF of 735, 556, 21?

Answer: GCF of 735, 556, 21 is 1.

2. How to Find the GCF of 735, 556, 21

Answer: Greatest Common Factor(GCF) of 735, 556, 21 = 1

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

Step 2: Then multiply all the prime factors GCF(735, 556, 21) = 1.