Greatest Common Factor of 45, 21, 41, 100

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

• Greatest Common Factor of 45, 21, 41, 100 by common division method
• Greatest Common Factor of 45, 21, 41, 100 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 45

List of positive integer factors of 45 that divides 45 without a remainder.

1,3,5,9,15,45

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 100

List of positive integer factors of 100 that divides 100 without a remainder.

1,2,4,5,10,20,25,50,100

Greatest Common Factor

We found the factors 45,21,41,100 . The biggest common factor number is the GCF number.
So the greatest common factor 45,21,41,100 is 1.

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

• GCF of 25, 52, 57, 224
• GCF of 93, 43, 39, 470
• GCF of 26, 82, 45, 251
• GCF of 36, 73, 56, 452
• GCF of 66, 58, 22, 444

1. What is the GCF of 45, 21, 41, 100?

Answer: GCF of 45, 21, 41, 100 is 1.

2. How to Find the GCF of 45, 21, 41, 100

Answer: Greatest Common Factor(GCF) of 45, 21, 41, 100 = 1

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

Step 2: Then multiply all the prime factors GCF(45, 21, 41, 100) = 1.