Greatest Common Factor of 18, 77, 63, 24

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

• Greatest Common Factor of 18, 77, 63, 24 by common division method
• Greatest Common Factor of 18, 77, 63, 24 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 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

Factors of 63

List of positive integer factors of 63 that divides 63 without a remainder.

1,3,7,9,21,63

Factors of 24

List of positive integer factors of 24 that divides 24 without a remainder.

1,2,3,4,6,8,12,24

Greatest Common Factor

We found the factors 18,77,63,24 . The biggest common factor number is the GCF number.
So the greatest common factor 18,77,63,24 is 1.

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

• GCF of 85, 29, 29, 18
• GCF of 69, 16, 14, 54
• GCF of 13, 79, 65, 15
• GCF of 62, 40, 79, 51
• GCF of 38, 89, 49, 93

1. What is the GCF of 18, 77, 63, 24?

Answer: GCF of 18, 77, 63, 24 is 1.

2. How to Find the GCF of 18, 77, 63, 24

Answer: Greatest Common Factor(GCF) of 18, 77, 63, 24 = 1

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

Step 2: Then multiply all the prime factors GCF(18, 77, 63, 24) = 1.