Greatest Common Factor of 51, 21, 43, 73, 66

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

• Greatest Common Factor of 51, 21, 43, 73, 66 by common division method
• Greatest Common Factor of 51, 21, 43, 73, 66 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 51

List of positive integer factors of 51 that divides 51 without a remainder.

1,3,17,51

Factors of 21

List of positive integer factors of 21 that divides 21 without a remainder.

1,3,7,21

Factors of 43

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

1,43

Factors of 73

List of positive integer factors of 73 that divides 73 without a remainder.

1,73

Factors of 66

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

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

Greatest Common Factor

We found the factors 51,21,43,73,66 . The biggest common factor number is the GCF number.
So the greatest common factor 51,21,43,73,66 is 1.

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

• GCF of 94, 71, 20, 10, 54
• GCF of 35, 60, 59, 49, 56
• GCF of 23, 80, 64, 29, 62
• GCF of 58, 78, 48, 17, 56
• GCF of 72, 66, 34, 85, 60

1. What is the GCF of 51, 21, 43, 73, 66?

Answer: GCF of 51, 21, 43, 73, 66 is 1.

2. How to Find the GCF of 51, 21, 43, 73, 66

Answer: Greatest Common Factor(GCF) of 51, 21, 43, 73, 66 = 1

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

Step 2: Then multiply all the prime factors GCF(51, 21, 43, 73, 66) = 1.