Greatest Common Factor of 42, 424, 505

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

• Greatest Common Factor of 42, 424, 505 by common division method
• Greatest Common Factor of 42, 424, 505 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 424

List of positive integer factors of 424 that divides 424 without a remainder.

1,2,4,8,53,106,212,424

Factors of 505

List of positive integer factors of 505 that divides 505 without a remainder.

1,5,101,505

Greatest Common Factor

We found the factors 42,424,505 . The biggest common factor number is the GCF number.
So the greatest common factor 42,424,505 is 1.

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

• GCF of 39, 600, 343
• GCF of 69, 677, 974
• GCF of 22, 309, 172
• GCF of 82, 146, 415
• GCF of 11, 752, 211

1. What is the GCF of 42, 424, 505?

Answer: GCF of 42, 424, 505 is 1.

2. How to Find the GCF of 42, 424, 505

Answer: Greatest Common Factor(GCF) of 42, 424, 505 = 1

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

Step 2: Then multiply all the prime factors GCF(42, 424, 505) = 1.