Greatest Common Factor of 69, 20, 51, 742

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

• Greatest Common Factor of 69, 20, 51, 742 by common division method
• Greatest Common Factor of 69, 20, 51, 742 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 69

List of positive integer factors of 69 that divides 69 without a remainder.

1,3,23,69

Factors of 20

List of positive integer factors of 20 that divides 20 without a remainder.

1,2,4,5,10,20

Factors of 51

List of positive integer factors of 51 that divides 51 without a remainder.

1,3,17,51

Factors of 742

List of positive integer factors of 742 that divides 742 without a remainder.

1,2,7,14,53,106,371,742

Greatest Common Factor

We found the factors 69,20,51,742 . The biggest common factor number is the GCF number.
So the greatest common factor 69,20,51,742 is 1.

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

• GCF of 42, 29, 51, 187
• GCF of 41, 66, 17, 870
• GCF of 61, 52, 87, 639
• GCF of 77, 20, 51, 541
• GCF of 21, 80, 22, 327

1. What is the GCF of 69, 20, 51, 742?

Answer: GCF of 69, 20, 51, 742 is 1.

2. How to Find the GCF of 69, 20, 51, 742

Answer: Greatest Common Factor(GCF) of 69, 20, 51, 742 = 1

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

Step 2: Then multiply all the prime factors GCF(69, 20, 51, 742) = 1.