Greatest Common Factor of 72, 18, 72, 155

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

• Greatest Common Factor of 72, 18, 72, 155 by common division method
• Greatest Common Factor of 72, 18, 72, 155 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 18

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

1,2,3,6,9,18

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 155

List of positive integer factors of 155 that divides 155 without a remainder.

1,5,31,155

Greatest Common Factor

We found the factors 72,18,72,155 . The biggest common factor number is the GCF number.
So the greatest common factor 72,18,72,155 is 1.

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

• GCF of 25, 19, 20, 442
• GCF of 78, 98, 42, 775
• GCF of 44, 50, 11, 749
• GCF of 28, 29, 50, 903
• GCF of 99, 27, 31, 540

1. What is the GCF of 72, 18, 72, 155?

Answer: GCF of 72, 18, 72, 155 is 1.

2. How to Find the GCF of 72, 18, 72, 155

Answer: Greatest Common Factor(GCF) of 72, 18, 72, 155 = 1

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

Step 2: Then multiply all the prime factors GCF(72, 18, 72, 155) = 1.