Greatest Common Factor of 38, 51, 68, 40

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

• Greatest Common Factor of 38, 51, 68, 40 by common division method
• Greatest Common Factor of 38, 51, 68, 40 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 38

List of positive integer factors of 38 that divides 38 without a remainder.

1,2,19,38

Factors of 51

List of positive integer factors of 51 that divides 51 without a remainder.

1,3,17,51

Factors of 68

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

1,2,4,17,34,68

Factors of 40

List of positive integer factors of 40 that divides 40 without a remainder.

1,2,4,5,8,10,20,40

Greatest Common Factor

We found the factors 38,51,68,40 . The biggest common factor number is the GCF number.
So the greatest common factor 38,51,68,40 is 1.

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

• GCF of 87, 92, 34, 67
• GCF of 27, 83, 59, 31
• GCF of 98, 68, 24, 61
• GCF of 98, 69, 58, 90
• GCF of 24, 24, 41, 83

1. What is the GCF of 38, 51, 68, 40?

Answer: GCF of 38, 51, 68, 40 is 1.

2. How to Find the GCF of 38, 51, 68, 40

Answer: Greatest Common Factor(GCF) of 38, 51, 68, 40 = 1

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

Step 2: Then multiply all the prime factors GCF(38, 51, 68, 40) = 1.