Greatest Common Factor of 56, 39, 42, 169

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

• Greatest Common Factor of 56, 39, 42, 169 by common division method
• Greatest Common Factor of 56, 39, 42, 169 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 56

List of positive integer factors of 56 that divides 56 without a remainder.

1,2,4,7,8,14,28,56

Factors of 39

List of positive integer factors of 39 that divides 39 without a remainder.

1,3,13,39

Factors of 42

List of positive integer factors of 42 that divides 42 without a remainder.

1,2,3,6,7,14,21,42

Factors of 169

List of positive integer factors of 169 that divides 169 without a remainder.

1,13,169

Greatest Common Factor

We found the factors 56,39,42,169 . The biggest common factor number is the GCF number.
So the greatest common factor 56,39,42,169 is 1.

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

• GCF of 82, 78, 73, 103
• GCF of 59, 94, 49, 562
• GCF of 23, 62, 96, 138
• GCF of 15, 46, 25, 663
• GCF of 71, 93, 44, 900

1. What is the GCF of 56, 39, 42, 169?

Answer: GCF of 56, 39, 42, 169 is 1.

2. How to Find the GCF of 56, 39, 42, 169

Answer: Greatest Common Factor(GCF) of 56, 39, 42, 169 = 1

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

Step 2: Then multiply all the prime factors GCF(56, 39, 42, 169) = 1.