Greatest Common Factor of 920, 735, 21

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

• Greatest Common Factor of 920, 735, 21 by common division method
• Greatest Common Factor of 920, 735, 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 920

List of positive integer factors of 920 that divides 920 without a remainder.

1,2,4,5,8,10,20,23,40,46,92,115,184,230,460,920

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 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 920,735,21 . The biggest common factor number is the GCF number.
So the greatest common factor 920,735,21 is 1.

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

• GCF of 390, 648, 40
• GCF of 689, 373, 21
• GCF of 549, 566, 14
• GCF of 586, 145, 79
• GCF of 404, 588, 43

1. What is the GCF of 920, 735, 21?

Answer: GCF of 920, 735, 21 is 1.

2. How to Find the GCF of 920, 735, 21

Answer: Greatest Common Factor(GCF) of 920, 735, 21 = 1

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

Step 2: Then multiply all the prime factors GCF(920, 735, 21) = 1.