Greatest Common Factor of 23, 43, 21, 84

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

• Greatest Common Factor of 23, 43, 21, 84 by common division method
• Greatest Common Factor of 23, 43, 21, 84 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 23

List of positive integer factors of 23 that divides 23 without a remainder.

1,23

Factors of 43

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

1,43

Factors of 21

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

1,3,7,21

Factors of 84

List of positive integer factors of 84 that divides 84 without a remainder.

1,2,3,4,6,7,12,14,21,28,42,84

Greatest Common Factor

We found the factors 23,43,21,84 . The biggest common factor number is the GCF number.
So the greatest common factor 23,43,21,84 is 1.

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

• GCF of 80, 77, 40, 50
• GCF of 85, 71, 58, 10
• GCF of 78, 33, 52, 33
• GCF of 91, 87, 83, 53
• GCF of 75, 52, 60, 23

1. What is the GCF of 23, 43, 21, 84?

Answer: GCF of 23, 43, 21, 84 is 1.

2. How to Find the GCF of 23, 43, 21, 84

Answer: Greatest Common Factor(GCF) of 23, 43, 21, 84 = 1

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

Step 2: Then multiply all the prime factors GCF(23, 43, 21, 84) = 1.