Greatest Common Factor of 21, 45, 93, 859

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

• Greatest Common Factor of 21, 45, 93, 859 by common division method
• Greatest Common Factor of 21, 45, 93, 859 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 45

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

1,3,5,9,15,45

Factors of 93

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

1,3,31,93

Factors of 859

List of positive integer factors of 859 that divides 859 without a remainder.

1,859

Greatest Common Factor

We found the factors 21,45,93,859 . The biggest common factor number is the GCF number.
So the greatest common factor 21,45,93,859 is 1.

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

• GCF of 24, 10, 53, 393
• GCF of 78, 13, 81, 319
• GCF of 83, 92, 19, 568
• GCF of 80, 34, 70, 198
• GCF of 52, 92, 61, 846

1. What is the GCF of 21, 45, 93, 859?

Answer: GCF of 21, 45, 93, 859 is 1.

2. How to Find the GCF of 21, 45, 93, 859

Answer: Greatest Common Factor(GCF) of 21, 45, 93, 859 = 1

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

Step 2: Then multiply all the prime factors GCF(21, 45, 93, 859) = 1.