Greatest Common Factor of 505, 915, 138

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

• Greatest Common Factor of 505, 915, 138 by common division method
• Greatest Common Factor of 505, 915, 138 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 505

List of positive integer factors of 505 that divides 505 without a remainder.

1,5,101,505

Factors of 915

List of positive integer factors of 915 that divides 915 without a remainder.

1,3,5,15,61,183,305,915

Factors of 138

List of positive integer factors of 138 that divides 138 without a remainder.

1,2,3,6,23,46,69,138

Greatest Common Factor

We found the factors 505,915,138 . The biggest common factor number is the GCF number.
So the greatest common factor 505,915,138 is 1.

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

• GCF of 238, 295, 565
• GCF of 738, 793, 972
• GCF of 736, 702, 979
• GCF of 761, 641, 767
• GCF of 161, 870, 418

1. What is the GCF of 505, 915, 138?

Answer: GCF of 505, 915, 138 is 1.

2. How to Find the GCF of 505, 915, 138

Answer: Greatest Common Factor(GCF) of 505, 915, 138 = 1

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

Step 2: Then multiply all the prime factors GCF(505, 915, 138) = 1.