Greatest Common Factor of 21, 52, 93, 40

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

• Greatest Common Factor of 21, 52, 93, 40 by common division method
• Greatest Common Factor of 21, 52, 93, 40 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 21

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

1,3,7,21

Factors of 52

List of positive integer factors of 52 that divides 52 without a remainder.

1,2,4,13,26,52

Factors of 93

List of positive integer factors of 93 that divides 93 without a remainder.

1,3,31,93

Factors of 40

List of positive integer factors of 40 that divides 40 without a remainder.

1,2,4,5,8,10,20,40

Greatest Common Factor

We found the factors 21,52,93,40 . The biggest common factor number is the GCF number.
So the greatest common factor 21,52,93,40 is 1.

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

• GCF of 87, 24, 85, 60
• GCF of 27, 10, 51, 45
• GCF of 67, 26, 74, 95
• GCF of 99, 29, 34, 45
• GCF of 99, 71, 43, 30

1. What is the GCF of 21, 52, 93, 40?

Answer: GCF of 21, 52, 93, 40 is 1.

2. How to Find the GCF of 21, 52, 93, 40

Answer: Greatest Common Factor(GCF) of 21, 52, 93, 40 = 1

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

Step 2: Then multiply all the prime factors GCF(21, 52, 93, 40) = 1.