Greatest Common Factor of 16, 54, 57, 138

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

• Greatest Common Factor of 16, 54, 57, 138 by common division method
• Greatest Common Factor of 16, 54, 57, 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 16

List of positive integer factors of 16 that divides 16 without a remainder.

1,2,4,8,16

Factors of 54

List of positive integer factors of 54 that divides 54 without a remainder.

1,2,3,6,9,18,27,54

Factors of 57

List of positive integer factors of 57 that divides 57 without a remainder.

1,3,19,57

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 16,54,57,138 . The biggest common factor number is the GCF number.
So the greatest common factor 16,54,57,138 is 1.

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

• GCF of 49, 14, 84, 686
• GCF of 62, 51, 31, 655
• GCF of 19, 98, 17, 336
• GCF of 72, 12, 11, 334
• GCF of 40, 49, 90, 859

1. What is the GCF of 16, 54, 57, 138?

Answer: GCF of 16, 54, 57, 138 is 1.

2. How to Find the GCF of 16, 54, 57, 138

Answer: Greatest Common Factor(GCF) of 16, 54, 57, 138 = 1

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

Step 2: Then multiply all the prime factors GCF(16, 54, 57, 138) = 1.