Greatest Common Factor of 45, 79, 90, 60

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

• Greatest Common Factor of 45, 79, 90, 60 by common division method
• Greatest Common Factor of 45, 79, 90, 60 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 79

List of positive integer factors of 79 that divides 79 without a remainder.

1,79

Factors of 90

List of positive integer factors of 90 that divides 90 without a remainder.

1,2,3,5,6,9,10,15,18,30,45,90

Factors of 60

List of positive integer factors of 60 that divides 60 without a remainder.

1,2,3,4,5,6,10,12,15,20,30,60

Greatest Common Factor

We found the factors 45,79,90,60 . The biggest common factor number is the GCF number.
So the greatest common factor 45,79,90,60 is 1.

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

• GCF of 30, 45, 51, 98
• GCF of 99, 85, 90, 71
• GCF of 75, 34, 50, 54
• GCF of 29, 46, 76, 15
• GCF of 22, 42, 79, 97

1. What is the GCF of 45, 79, 90, 60?

Answer: GCF of 45, 79, 90, 60 is 1.

2. How to Find the GCF of 45, 79, 90, 60

Answer: Greatest Common Factor(GCF) of 45, 79, 90, 60 = 1

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

Step 2: Then multiply all the prime factors GCF(45, 79, 90, 60) = 1.