Greatest Common Factor of 42, 55, 401, 538

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

• Greatest Common Factor of 42, 55, 401, 538 by common division method
• Greatest Common Factor of 42, 55, 401, 538 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 55

List of positive integer factors of 55 that divides 55 without a remainder.

1,5,11,55

Factors of 401

List of positive integer factors of 401 that divides 401 without a remainder.

1,401

Factors of 538

List of positive integer factors of 538 that divides 538 without a remainder.

1,2,269,538

Greatest Common Factor

We found the factors 42,55,401,538 . The biggest common factor number is the GCF number.
So the greatest common factor 42,55,401,538 is 1.

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

• GCF of 87, 20, 610, 775
• GCF of 46, 24, 794, 613
• GCF of 55, 44, 432, 699
• GCF of 18, 29, 725, 132
• GCF of 58, 97, 668, 156

1. What is the GCF of 42, 55, 401, 538?

Answer: GCF of 42, 55, 401, 538 is 1.

2. How to Find the GCF of 42, 55, 401, 538

Answer: Greatest Common Factor(GCF) of 42, 55, 401, 538 = 1

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

Step 2: Then multiply all the prime factors GCF(42, 55, 401, 538) = 1.