Greatest Common Factor of 28, 21, 41, 3

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

• Greatest Common Factor of 28, 21, 41, 3 by common division method
• Greatest Common Factor of 28, 21, 41, 3 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 28

List of positive integer factors of 28 that divides 28 without a remainder.

1,2,4,7,14,28

Factors of 21

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

1,3,7,21

Factors of 41

List of positive integer factors of 41 that divides 41 without a remainder.

1,41

Factors of 3

List of positive integer factors of 3 that divides 3 without a remainder.

1,3

Greatest Common Factor

We found the factors 28,21,41,3 . The biggest common factor number is the GCF number.
So the greatest common factor 28,21,41,3 is 1.

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

• GCF of 63, 61, 54, 8
• GCF of 85, 65, 24, 9
• GCF of 25, 74, 73, 3
• GCF of 15, 56, 94, 2
• GCF of 16, 24, 63, 8

1. What is the GCF of 28, 21, 41, 3?

Answer: GCF of 28, 21, 41, 3 is 1.

2. How to Find the GCF of 28, 21, 41, 3

Answer: Greatest Common Factor(GCF) of 28, 21, 41, 3 = 1

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

Step 2: Then multiply all the prime factors GCF(28, 21, 41, 3) = 1.