Greatest Common Factor of 42, 74, 51, 207

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

• Greatest Common Factor of 42, 74, 51, 207 by common division method
• Greatest Common Factor of 42, 74, 51, 207 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 42

List of positive integer factors of 42 that divides 42 without a remainder.

1,2,3,6,7,14,21,42

Factors of 74

List of positive integer factors of 74 that divides 74 without a remainder.

1,2,37,74

Factors of 51

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

1,3,17,51

Factors of 207

List of positive integer factors of 207 that divides 207 without a remainder.

1,3,9,23,69,207

Greatest Common Factor

We found the factors 42,74,51,207 . The biggest common factor number is the GCF number.
So the greatest common factor 42,74,51,207 is 1.

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

• GCF of 89, 95, 24, 361
• GCF of 82, 10, 33, 748
• GCF of 60, 32, 76, 564
• GCF of 97, 79, 42, 561
• GCF of 59, 60, 78, 604

1. What is the GCF of 42, 74, 51, 207?

Answer: GCF of 42, 74, 51, 207 is 1.

2. How to Find the GCF of 42, 74, 51, 207

Answer: Greatest Common Factor(GCF) of 42, 74, 51, 207 = 1

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

Step 2: Then multiply all the prime factors GCF(42, 74, 51, 207) = 1.