Greatest Common Factor of 61, 87, 43, 18

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

• Greatest Common Factor of 61, 87, 43, 18 by common division method
• Greatest Common Factor of 61, 87, 43, 18 with matching the biggest common factor

Maximum 4 Number can be enter but you can reset

∴ GCF of numbers is 1 because of no common factors present between them.

Factors of 61

List of positive integer factors of 61 that divides 61 without a remainder.

1,61

Factors of 87

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

1,3,29,87

Factors of 43

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

1,43

Factors of 18

List of positive integer factors of 18 that divides 18 without a remainder.

1,2,3,6,9,18

Greatest Common Factor

We found the factors 61,87,43,18 . The biggest common factor number is the GCF number.
So the greatest common factor 61,87,43,18 is 1.

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

• GCF of 23, 44, 36, 35
• GCF of 82, 76, 54, 98
• GCF of 99, 81, 65, 45
• GCF of 66, 24, 81, 48
• GCF of 12, 63, 69, 83

1. What is the GCF of 61, 87, 43, 18?

Answer: GCF of 61, 87, 43, 18 is 1.

2. How to Find the GCF of 61, 87, 43, 18

Answer: Greatest Common Factor(GCF) of 61, 87, 43, 18 = 1

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

Step 2: Then multiply all the prime factors GCF(61, 87, 43, 18) = 1.