Greatest Common Factor of 43, 31, 21, 480

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

• Greatest Common Factor of 43, 31, 21, 480 by common division method
• Greatest Common Factor of 43, 31, 21, 480 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 31

List of positive integer factors of 31 that divides 31 without a remainder.

1,31

Factors of 21

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

1,3,7,21

Factors of 480

List of positive integer factors of 480 that divides 480 without a remainder.

1,2,3,4,5,6,8,10,12,15,16,20,24,30,32,40,48,60,80,96,120,160,240,480

Greatest Common Factor

We found the factors 43,31,21,480 . The biggest common factor number is the GCF number.
So the greatest common factor 43,31,21,480 is 1.

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

• GCF of 91, 41, 46, 860
• GCF of 75, 45, 82, 822
• GCF of 30, 57, 84, 180
• GCF of 47, 78, 80, 170
• GCF of 39, 28, 93, 410

1. What is the GCF of 43, 31, 21, 480?

Answer: GCF of 43, 31, 21, 480 is 1.

2. How to Find the GCF of 43, 31, 21, 480

Answer: Greatest Common Factor(GCF) of 43, 31, 21, 480 = 1

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

Step 2: Then multiply all the prime factors GCF(43, 31, 21, 480) = 1.