Greatest Common Factor of 15, 88, 18, 77

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

• Greatest Common Factor of 15, 88, 18, 77 by common division method
• Greatest Common Factor of 15, 88, 18, 77 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 15

List of positive integer factors of 15 that divides 15 without a remainder.

1,3,5,15

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 18

List of positive integer factors of 18 that divides 18 without a remainder.

1,2,3,6,9,18

Factors of 77

List of positive integer factors of 77 that divides 77 without a remainder.

1,7,11,77

Greatest Common Factor

We found the factors 15,88,18,77 . The biggest common factor number is the GCF number.
So the greatest common factor 15,88,18,77 is 1.

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

• GCF of 34, 32, 93, 56
• GCF of 50, 31, 67, 80
• GCF of 77, 93, 85, 66
• GCF of 59, 52, 71, 93
• GCF of 29, 47, 22, 84

1. What is the GCF of 15, 88, 18, 77?

Answer: GCF of 15, 88, 18, 77 is 1.

2. How to Find the GCF of 15, 88, 18, 77

Answer: Greatest Common Factor(GCF) of 15, 88, 18, 77 = 1

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

Step 2: Then multiply all the prime factors GCF(15, 88, 18, 77) = 1.