Greatest Common Factor of 19, 80, 72, 135

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

• Greatest Common Factor of 19, 80, 72, 135 by common division method
• Greatest Common Factor of 19, 80, 72, 135 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 19

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

1,19

Factors of 80

List of positive integer factors of 80 that divides 80 without a remainder.

1,2,4,5,8,10,16,20,40,80

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 135

List of positive integer factors of 135 that divides 135 without a remainder.

1,3,5,9,15,27,45,135

Greatest Common Factor

We found the factors 19,80,72,135 . The biggest common factor number is the GCF number.
So the greatest common factor 19,80,72,135 is 1.

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

• GCF of 85, 30, 42, 809
• GCF of 66, 43, 29, 342
• GCF of 31, 41, 78, 785
• GCF of 72, 61, 74, 342
• GCF of 80, 36, 91, 638

1. What is the GCF of 19, 80, 72, 135?

Answer: GCF of 19, 80, 72, 135 is 1.

2. How to Find the GCF of 19, 80, 72, 135

Answer: Greatest Common Factor(GCF) of 19, 80, 72, 135 = 1

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

Step 2: Then multiply all the prime factors GCF(19, 80, 72, 135) = 1.