Greatest Common Factor of 23, 15, 49

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

• Greatest Common Factor of 23, 15, 49 by common division method
• Greatest Common Factor of 23, 15, 49 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 23

List of positive integer factors of 23 that divides 23 without a remainder.

1,23

Factors of 15

List of positive integer factors of 15 that divides 15 without a remainder.

1,3,5,15

Factors of 49

List of positive integer factors of 49 that divides 49 without a remainder.

1,7,49

Greatest Common Factor

We found the factors 23,15,49 . The biggest common factor number is the GCF number.
So the greatest common factor 23,15,49 is 1.

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

• GCF of 24, 52, 98
• GCF of 45, 37, 89
• GCF of 77, 27, 10
• GCF of 72, 38, 20
• GCF of 11, 93, 42

1. What is the GCF of 23, 15, 49?

Answer: GCF of 23, 15, 49 is 1.

2. How to Find the GCF of 23, 15, 49

Answer: Greatest Common Factor(GCF) of 23, 15, 49 = 1

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

Step 2: Then multiply all the prime factors GCF(23, 15, 49) = 1.