Greatest Common Factor of 15, 60, 43, 87

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

• Greatest Common Factor of 15, 60, 43, 87 by common division method
• Greatest Common Factor of 15, 60, 43, 87 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 60

List of positive integer factors of 60 that divides 60 without a remainder.

1,2,3,4,5,6,10,12,15,20,30,60

Factors of 43

List of positive integer factors of 43 that divides 43 without a remainder.

1,43

Factors of 87

List of positive integer factors of 87 that divides 87 without a remainder.

1,3,29,87

Greatest Common Factor

We found the factors 15,60,43,87 . The biggest common factor number is the GCF number.
So the greatest common factor 15,60,43,87 is 1.

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

• GCF of 94, 33, 15, 29
• GCF of 49, 27, 22, 60
• GCF of 22, 35, 74, 86
• GCF of 58, 54, 60, 83
• GCF of 90, 58, 70, 37

1. What is the GCF of 15, 60, 43, 87?

Answer: GCF of 15, 60, 43, 87 is 1.

2. How to Find the GCF of 15, 60, 43, 87

Answer: Greatest Common Factor(GCF) of 15, 60, 43, 87 = 1

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

Step 2: Then multiply all the prime factors GCF(15, 60, 43, 87) = 1.