Greatest Common Factor of 42, 139, 747

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

• Greatest Common Factor of 42, 139, 747 by common division method
• Greatest Common Factor of 42, 139, 747 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 139

List of positive integer factors of 139 that divides 139 without a remainder.

1,139

Factors of 747

List of positive integer factors of 747 that divides 747 without a remainder.

1,3,9,83,249,747

Greatest Common Factor

We found the factors 42,139,747 . The biggest common factor number is the GCF number.
So the greatest common factor 42,139,747 is 1.

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

• GCF of 78, 407, 381
• GCF of 23, 799, 385
• GCF of 36, 669, 251
• GCF of 27, 949, 271
• GCF of 50, 825, 214

1. What is the GCF of 42, 139, 747?

Answer: GCF of 42, 139, 747 is 1.

2. How to Find the GCF of 42, 139, 747

Answer: Greatest Common Factor(GCF) of 42, 139, 747 = 1

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

Step 2: Then multiply all the prime factors GCF(42, 139, 747) = 1.