Greatest Common Factor of 42, 15, 53, 578

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

• Greatest Common Factor of 42, 15, 53, 578 by common division method
• Greatest Common Factor of 42, 15, 53, 578 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 15

List of positive integer factors of 15 that divides 15 without a remainder.

1,3,5,15

Factors of 53

List of positive integer factors of 53 that divides 53 without a remainder.

1,53

Factors of 578

List of positive integer factors of 578 that divides 578 without a remainder.

1,2,17,34,289,578

Greatest Common Factor

We found the factors 42,15,53,578 . The biggest common factor number is the GCF number.
So the greatest common factor 42,15,53,578 is 1.

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

• GCF of 11, 83, 33, 583
• GCF of 90, 26, 28, 883
• GCF of 32, 74, 85, 159
• GCF of 56, 80, 15, 310
• GCF of 28, 15, 13, 338

1. What is the GCF of 42, 15, 53, 578?

Answer: GCF of 42, 15, 53, 578 is 1.

2. How to Find the GCF of 42, 15, 53, 578

Answer: Greatest Common Factor(GCF) of 42, 15, 53, 578 = 1

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

Step 2: Then multiply all the prime factors GCF(42, 15, 53, 578) = 1.