Greatest Common Factor of 55, 138, 520

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

• Greatest Common Factor of 55, 138, 520 by common division method
• Greatest Common Factor of 55, 138, 520 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 55

List of positive integer factors of 55 that divides 55 without a remainder.

1,5,11,55

Factors of 138

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

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

Factors of 520

List of positive integer factors of 520 that divides 520 without a remainder.

1,2,4,5,8,10,13,20,26,40,52,65,104,130,260,520

Greatest Common Factor

We found the factors 55,138,520 . The biggest common factor number is the GCF number.
So the greatest common factor 55,138,520 is 1.

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

• GCF of 41, 668, 750
• GCF of 27, 386, 448
• GCF of 27, 223, 314
• GCF of 76, 175, 860
• GCF of 30, 598, 608

1. What is the GCF of 55, 138, 520?

Answer: GCF of 55, 138, 520 is 1.

2. How to Find the GCF of 55, 138, 520

Answer: Greatest Common Factor(GCF) of 55, 138, 520 = 1

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

Step 2: Then multiply all the prime factors GCF(55, 138, 520) = 1.