Greatest Common Factor of 15, 66, 52, 47, 144

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

• Greatest Common Factor of 15, 66, 52, 47, 144 by common division method
• Greatest Common Factor of 15, 66, 52, 47, 144 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 15

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

1,3,5,15

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 52

List of positive integer factors of 52 that divides 52 without a remainder.

1,2,4,13,26,52

Factors of 47

List of positive integer factors of 47 that divides 47 without a remainder.

1,47

Factors of 144

List of positive integer factors of 144 that divides 144 without a remainder.

1,2,3,4,6,8,9,12,16,18,24,36,48,72,144

Greatest Common Factor

We found the factors 15,66,52,47,144 . The biggest common factor number is the GCF number.
So the greatest common factor 15,66,52,47,144 is 1.

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

• GCF of 71, 95, 29, 45, 514
• GCF of 21, 27, 92, 66, 748
• GCF of 79, 77, 25, 40, 254
• GCF of 71, 13, 16, 76, 507
• GCF of 68, 52, 97, 77, 859

1. What is the GCF of 15, 66, 52, 47, 144?

Answer: GCF of 15, 66, 52, 47, 144 is 1.

2. How to Find the GCF of 15, 66, 52, 47, 144

Answer: Greatest Common Factor(GCF) of 15, 66, 52, 47, 144 = 1

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

Step 2: Then multiply all the prime factors GCF(15, 66, 52, 47, 144) = 1.