Greatest Common Factor of 409, 138, 55

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

• Greatest Common Factor of 409, 138, 55 by common division method
• Greatest Common Factor of 409, 138, 55 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 409

List of positive integer factors of 409 that divides 409 without a remainder.

1,409

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 55

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

1,5,11,55

Greatest Common Factor

We found the factors 409,138,55 . The biggest common factor number is the GCF number.
So the greatest common factor 409,138,55 is 1.

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

• GCF of 884, 284, 14
• GCF of 449, 937, 99
• GCF of 359, 324, 68
• GCF of 113, 877, 37
• GCF of 509, 360, 65

1. What is the GCF of 409, 138, 55?

Answer: GCF of 409, 138, 55 is 1.

2. How to Find the GCF of 409, 138, 55

Answer: Greatest Common Factor(GCF) of 409, 138, 55 = 1

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

Step 2: Then multiply all the prime factors GCF(409, 138, 55) = 1.