Greatest Common Factor of 66, 42, 15, 37, 203

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

• Greatest Common Factor of 66, 42, 15, 37, 203 by common division method
• Greatest Common Factor of 66, 42, 15, 37, 203 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 66

List of positive integer factors of 66 that divides 66 without a remainder.

1,2,3,6,11,22,33,66

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 37

List of positive integer factors of 37 that divides 37 without a remainder.

1,37

Factors of 203

List of positive integer factors of 203 that divides 203 without a remainder.

1,7,29,203

Greatest Common Factor

We found the factors 66,42,15,37,203 . The biggest common factor number is the GCF number.
So the greatest common factor 66,42,15,37,203 is 1.

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

• GCF of 93, 72, 34, 87, 934
• GCF of 25, 98, 35, 72, 582
• GCF of 57, 27, 35, 59, 883
• GCF of 48, 94, 96, 76, 306
• GCF of 42, 19, 83, 58, 997

1. What is the GCF of 66, 42, 15, 37, 203?

Answer: GCF of 66, 42, 15, 37, 203 is 1.

2. How to Find the GCF of 66, 42, 15, 37, 203

Answer: Greatest Common Factor(GCF) of 66, 42, 15, 37, 203 = 1

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

Step 2: Then multiply all the prime factors GCF(66, 42, 15, 37, 203) = 1.