Greatest Common Factor of 42, 160, 399

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

• Greatest Common Factor of 42, 160, 399 by common division method
• Greatest Common Factor of 42, 160, 399 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 160

List of positive integer factors of 160 that divides 160 without a remainder.

1,2,4,5,8,10,16,20,32,40,80,160

Factors of 399

List of positive integer factors of 399 that divides 399 without a remainder.

1,3,7,19,21,57,133,399

Greatest Common Factor

We found the factors 42,160,399 . The biggest common factor number is the GCF number.
So the greatest common factor 42,160,399 is 1.

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

• GCF of 24, 500, 361
• GCF of 90, 839, 922
• GCF of 39, 374, 627
• GCF of 87, 109, 344
• GCF of 32, 829, 762

1. What is the GCF of 42, 160, 399?

Answer: GCF of 42, 160, 399 is 1.

2. How to Find the GCF of 42, 160, 399

Answer: Greatest Common Factor(GCF) of 42, 160, 399 = 1

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

Step 2: Then multiply all the prime factors GCF(42, 160, 399) = 1.