Greatest Common Factor of 7, 43, 138

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

• Greatest Common Factor of 7, 43, 138 by common division method
• Greatest Common Factor of 7, 43, 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 7

List of positive integer factors of 7 that divides 7 without a remainder.

1,7

Factors of 43

List of positive integer factors of 43 that divides 43 without a remainder.

1,43

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 7,43,138 . The biggest common factor number is the GCF number.
So the greatest common factor 7,43,138 is 1.

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

• GCF of 3, 38, 756
• GCF of 6, 91, 706
• GCF of 1, 68, 785
• GCF of 8, 87, 138
• GCF of 2, 34, 263

1. What is the GCF of 7, 43, 138?

Answer: GCF of 7, 43, 138 is 1.

2. How to Find the GCF of 7, 43, 138

Answer: Greatest Common Factor(GCF) of 7, 43, 138 = 1

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

Step 2: Then multiply all the prime factors GCF(7, 43, 138) = 1.