Greatest Common Factor of 15, 22, 48, 65, 19

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

• Greatest Common Factor of 15, 22, 48, 65, 19 by common division method
• Greatest Common Factor of 15, 22, 48, 65, 19 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 22

List of positive integer factors of 22 that divides 22 without a remainder.

1,2,11,22

Factors of 48

List of positive integer factors of 48 that divides 48 without a remainder.

1,2,3,4,6,8,12,16,24,48

Factors of 65

List of positive integer factors of 65 that divides 65 without a remainder.

1,5,13,65

Factors of 19

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

1,19

Greatest Common Factor

We found the factors 15,22,48,65,19 . The biggest common factor number is the GCF number.
So the greatest common factor 15,22,48,65,19 is 1.

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

• GCF of 87, 66, 78, 54, 15
• GCF of 42, 74, 23, 89, 39
• GCF of 33, 34, 78, 78, 60
• GCF of 19, 86, 22, 85, 86
• GCF of 20, 19, 21, 27, 19

1. What is the GCF of 15, 22, 48, 65, 19?

Answer: GCF of 15, 22, 48, 65, 19 is 1.

2. How to Find the GCF of 15, 22, 48, 65, 19

Answer: Greatest Common Factor(GCF) of 15, 22, 48, 65, 19 = 1

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

Step 2: Then multiply all the prime factors GCF(15, 22, 48, 65, 19) = 1.