Greatest Common Factor of 78, 15, 59, 142

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

• Greatest Common Factor of 78, 15, 59, 142 by common division method
• Greatest Common Factor of 78, 15, 59, 142 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 78

List of positive integer factors of 78 that divides 78 without a remainder.

1,2,3,6,13,26,39,78

Factors of 15

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

1,3,5,15

Factors of 59

List of positive integer factors of 59 that divides 59 without a remainder.

1,59

Factors of 142

List of positive integer factors of 142 that divides 142 without a remainder.

1,2,71,142

Greatest Common Factor

We found the factors 78,15,59,142 . The biggest common factor number is the GCF number.
So the greatest common factor 78,15,59,142 is 1.

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

• GCF of 66, 20, 63, 556
• GCF of 47, 25, 45, 450
• GCF of 76, 59, 16, 340
• GCF of 10, 95, 35, 560
• GCF of 82, 71, 78, 864

1. What is the GCF of 78, 15, 59, 142?

Answer: GCF of 78, 15, 59, 142 is 1.

2. How to Find the GCF of 78, 15, 59, 142

Answer: Greatest Common Factor(GCF) of 78, 15, 59, 142 = 1

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

Step 2: Then multiply all the prime factors GCF(78, 15, 59, 142) = 1.