Greatest Common Factor of 45, 89, 42, 636

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

• Greatest Common Factor of 45, 89, 42, 636 by common division method
• Greatest Common Factor of 45, 89, 42, 636 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 45

List of positive integer factors of 45 that divides 45 without a remainder.

1,3,5,9,15,45

Factors of 89

List of positive integer factors of 89 that divides 89 without a remainder.

1,89

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 636

List of positive integer factors of 636 that divides 636 without a remainder.

1,2,3,4,6,12,53,106,159,212,318,636

Greatest Common Factor

We found the factors 45,89,42,636 . The biggest common factor number is the GCF number.
So the greatest common factor 45,89,42,636 is 1.

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

• GCF of 25, 29, 23, 153
• GCF of 32, 43, 26, 705
• GCF of 69, 50, 62, 589
• GCF of 71, 58, 27, 796
• GCF of 77, 92, 90, 630

1. What is the GCF of 45, 89, 42, 636?

Answer: GCF of 45, 89, 42, 636 is 1.

2. How to Find the GCF of 45, 89, 42, 636

Answer: Greatest Common Factor(GCF) of 45, 89, 42, 636 = 1

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

Step 2: Then multiply all the prime factors GCF(45, 89, 42, 636) = 1.