Greatest Common Factor of 45, 21, 89, 318

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

• Greatest Common Factor of 45, 21, 89, 318 by common division method
• Greatest Common Factor of 45, 21, 89, 318 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 21

List of positive integer factors of 21 that divides 21 without a remainder.

1,3,7,21

Factors of 89

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

1,89

Factors of 318

List of positive integer factors of 318 that divides 318 without a remainder.

1,2,3,6,53,106,159,318

Greatest Common Factor

We found the factors 45,21,89,318 . The biggest common factor number is the GCF number.
So the greatest common factor 45,21,89,318 is 1.

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

• GCF of 61, 68, 79, 359
• GCF of 79, 67, 28, 951
• GCF of 20, 88, 92, 673
• GCF of 73, 57, 51, 815
• GCF of 51, 47, 29, 626

1. What is the GCF of 45, 21, 89, 318?

Answer: GCF of 45, 21, 89, 318 is 1.

2. How to Find the GCF of 45, 21, 89, 318

Answer: Greatest Common Factor(GCF) of 45, 21, 89, 318 = 1

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

Step 2: Then multiply all the prime factors GCF(45, 21, 89, 318) = 1.