Greatest Common Factor of 123, 509, 12

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

• Greatest Common Factor of 123, 509, 12 by common division method
• Greatest Common Factor of 123, 509, 12 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 12

List of positive integer factors of 12 that divides 12 without a remainder.

1,2,3,4,6,12

Greatest Common Factor

We found the factors 123,509,12 . The biggest common factor number is the GCF number.
So the greatest common factor 123,509,12 is 1.

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

• GCF of 443, 831, 69
• GCF of 449, 708, 74
• GCF of 523, 841, 21
• GCF of 606, 275, 45
• GCF of 339, 331, 15

1. What is the GCF of 123, 509, 12?

Answer: GCF of 123, 509, 12 is 1.

2. How to Find the GCF of 123, 509, 12

Answer: Greatest Common Factor(GCF) of 123, 509, 12 = 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, 12) = 1.