Greatest Common Factor of 72, 19, 18, 158

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

• Greatest Common Factor of 72, 19, 18, 158 by common division method
• Greatest Common Factor of 72, 19, 18, 158 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 72

List of positive integer factors of 72 that divides 72 without a remainder.

1,2,3,4,6,8,9,12,18,24,36,72

Factors of 19

List of positive integer factors of 19 that divides 19 without a remainder.

1,19

Factors of 18

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

1,2,3,6,9,18

Factors of 158

List of positive integer factors of 158 that divides 158 without a remainder.

1,2,79,158

Greatest Common Factor

We found the factors 72,19,18,158 . The biggest common factor number is the GCF number.
So the greatest common factor 72,19,18,158 is 1.

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

• GCF of 66, 16, 62, 394
• GCF of 44, 66, 49, 686
• GCF of 89, 15, 29, 544
• GCF of 79, 78, 10, 654
• GCF of 57, 67, 94, 925

1. What is the GCF of 72, 19, 18, 158?

Answer: GCF of 72, 19, 18, 158 is 1.

2. How to Find the GCF of 72, 19, 18, 158

Answer: Greatest Common Factor(GCF) of 72, 19, 18, 158 = 1

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

Step 2: Then multiply all the prime factors GCF(72, 19, 18, 158) = 1.