Greatest Common Factor of 45, 28, 88, 117

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

• Greatest Common Factor of 45, 28, 88, 117 by common division method
• Greatest Common Factor of 45, 28, 88, 117 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 28

List of positive integer factors of 28 that divides 28 without a remainder.

1,2,4,7,14,28

Factors of 88

List of positive integer factors of 88 that divides 88 without a remainder.

1,2,4,8,11,22,44,88

Factors of 117

List of positive integer factors of 117 that divides 117 without a remainder.

1,3,9,13,39,117

Greatest Common Factor

We found the factors 45,28,88,117 . The biggest common factor number is the GCF number.
So the greatest common factor 45,28,88,117 is 1.

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

• GCF of 89, 73, 86, 666
• GCF of 35, 19, 59, 237
• GCF of 68, 66, 70, 510
• GCF of 36, 26, 75, 268
• GCF of 12, 95, 47, 870

1. What is the GCF of 45, 28, 88, 117?

Answer: GCF of 45, 28, 88, 117 is 1.

2. How to Find the GCF of 45, 28, 88, 117

Answer: Greatest Common Factor(GCF) of 45, 28, 88, 117 = 1

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

Step 2: Then multiply all the prime factors GCF(45, 28, 88, 117) = 1.