Greatest Common Factor of 42, 15, 57, 885

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

• Greatest Common Factor of 42, 15, 57, 885 by common division method
• Greatest Common Factor of 42, 15, 57, 885 with matching the biggest common factor

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∴ So the GCF of the given numbers is 3 = 3

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 57

List of positive integer factors of 57 that divides 57 without a remainder.

1,3,19,57

Factors of 885

List of positive integer factors of 885 that divides 885 without a remainder.

1,3,5,15,59,177,295,885

Greatest Common Factor

We found the factors 42,15,57,885 . The biggest common factor number is the GCF number.
So the greatest common factor 42,15,57,885 is 3.

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

• GCF of 53, 86, 92, 844
• GCF of 47, 13, 99, 757
• GCF of 61, 13, 82, 619
• GCF of 13, 29, 74, 944
• GCF of 49, 71, 22, 313

1. What is the GCF of 42, 15, 57, 885?

Answer: GCF of 42, 15, 57, 885 is 3.

2. How to Find the GCF of 42, 15, 57, 885

Answer: Greatest Common Factor(GCF) of 42, 15, 57, 885 = 3

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

Step 2: Then multiply all the prime factors GCF(42, 15, 57, 885) = 3.