Greatest Common Factor of 21, 41, 89, 664

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

• Greatest Common Factor of 21, 41, 89, 664 by common division method
• Greatest Common Factor of 21, 41, 89, 664 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 41

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

1,41

Factors of 89

List of positive integer factors of 89 that divides 89 without a remainder.

1,89

Factors of 664

List of positive integer factors of 664 that divides 664 without a remainder.

1,2,4,8,83,166,332,664

Greatest Common Factor

We found the factors 21,41,89,664 . The biggest common factor number is the GCF number.
So the greatest common factor 21,41,89,664 is 1.

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

• GCF of 37, 35, 88, 899
• GCF of 68, 24, 71, 877
• GCF of 44, 18, 63, 414
• GCF of 15, 33, 67, 485
• GCF of 93, 90, 52, 174

1. What is the GCF of 21, 41, 89, 664?

Answer: GCF of 21, 41, 89, 664 is 1.

2. How to Find the GCF of 21, 41, 89, 664

Answer: Greatest Common Factor(GCF) of 21, 41, 89, 664 = 1

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

Step 2: Then multiply all the prime factors GCF(21, 41, 89, 664) = 1.