Greatest Common Factor of 43, 21, 540

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

• Greatest Common Factor of 43, 21, 540 by common division method
• Greatest Common Factor of 43, 21, 540 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 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 540

List of positive integer factors of 540 that divides 540 without a remainder.

1,2,3,4,5,6,9,10,12,15,18,20,27,30,36,45,54,60,90,108,135,180,270,540

Greatest Common Factor

We found the factors 43,21,540 . The biggest common factor number is the GCF number.
So the greatest common factor 43,21,540 is 1.

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

• GCF of 60, 12, 973
• GCF of 14, 65, 309
• GCF of 42, 42, 818
• GCF of 24, 23, 520
• GCF of 27, 97, 536

1. What is the GCF of 43, 21, 540?

Answer: GCF of 43, 21, 540 is 1.

2. How to Find the GCF of 43, 21, 540

Answer: Greatest Common Factor(GCF) of 43, 21, 540 = 1

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

Step 2: Then multiply all the prime factors GCF(43, 21, 540) = 1.