Greatest Common Factor of 123, 509, 72

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

• Greatest Common Factor of 123, 509, 72 by common division method
• Greatest Common Factor of 123, 509, 72 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 123

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

1,3,41,123

Factors of 509

List of positive integer factors of 509 that divides 509 without a remainder.

1,509

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

Greatest Common Factor

We found the factors 123,509,72 . The biggest common factor number is the GCF number.
So the greatest common factor 123,509,72 is 1.

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

• GCF of 669, 242, 10
• GCF of 170, 388, 49
• GCF of 953, 833, 15
• GCF of 312, 879, 89
• GCF of 977, 814, 16

1. What is the GCF of 123, 509, 72?

Answer: GCF of 123, 509, 72 is 1.

2. How to Find the GCF of 123, 509, 72

Answer: Greatest Common Factor(GCF) of 123, 509, 72 = 1

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

Step 2: Then multiply all the prime factors GCF(123, 509, 72) = 1.