Greatest Common Factor of 40, 65, 123

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

• Greatest Common Factor of 40, 65, 123 by common division method
• Greatest Common Factor of 40, 65, 123 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 40

List of positive integer factors of 40 that divides 40 without a remainder.

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

Factors of 65

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

1,5,13,65

Factors of 123

List of positive integer factors of 123 that divides 123 without a remainder.

1,3,41,123

Greatest Common Factor

We found the factors 40,65,123 . The biggest common factor number is the GCF number.
So the greatest common factor 40,65,123 is 1.

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

• GCF of 34, 95, 748
• GCF of 47, 43, 992
• GCF of 11, 57, 250
• GCF of 99, 61, 700
• GCF of 63, 15, 935

1. What is the GCF of 40, 65, 123?

Answer: GCF of 40, 65, 123 is 1.

2. How to Find the GCF of 40, 65, 123

Answer: Greatest Common Factor(GCF) of 40, 65, 123 = 1

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

Step 2: Then multiply all the prime factors GCF(40, 65, 123) = 1.