Greatest Common Factor of 15, 19, 145

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

• Greatest Common Factor of 15, 19, 145 by common division method
• Greatest Common Factor of 15, 19, 145 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 19

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

1,19

Factors of 145

List of positive integer factors of 145 that divides 145 without a remainder.

1,5,29,145

Greatest Common Factor

We found the factors 15,19,145 . The biggest common factor number is the GCF number.
So the greatest common factor 15,19,145 is 1.

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

• GCF of 39, 77, 981
• GCF of 42, 89, 908
• GCF of 26, 85, 891
• GCF of 13, 53, 493
• GCF of 77, 89, 955

1. What is the GCF of 15, 19, 145?

Answer: GCF of 15, 19, 145 is 1.

2. How to Find the GCF of 15, 19, 145

Answer: Greatest Common Factor(GCF) of 15, 19, 145 = 1

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

Step 2: Then multiply all the prime factors GCF(15, 19, 145) = 1.