Greatest Common Factor of 68, 63, 58, 138

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

• Greatest Common Factor of 68, 63, 58, 138 by common division method
• Greatest Common Factor of 68, 63, 58, 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 68

List of positive integer factors of 68 that divides 68 without a remainder.

1,2,4,17,34,68

Factors of 63

List of positive integer factors of 63 that divides 63 without a remainder.

1,3,7,9,21,63

Factors of 58

List of positive integer factors of 58 that divides 58 without a remainder.

1,2,29,58

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 68,63,58,138 . The biggest common factor number is the GCF number.
So the greatest common factor 68,63,58,138 is 1.

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

• GCF of 65, 68, 83, 477
• GCF of 77, 49, 68, 457
• GCF of 64, 36, 82, 376
• GCF of 22, 78, 48, 348
• GCF of 14, 96, 87, 404

1. What is the GCF of 68, 63, 58, 138?

Answer: GCF of 68, 63, 58, 138 is 1.

2. How to Find the GCF of 68, 63, 58, 138

Answer: Greatest Common Factor(GCF) of 68, 63, 58, 138 = 1

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

Step 2: Then multiply all the prime factors GCF(68, 63, 58, 138) = 1.