Greatest Common Factor of 21, 888, 991

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

• Greatest Common Factor of 21, 888, 991 by common division method
• Greatest Common Factor of 21, 888, 991 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 888

List of positive integer factors of 888 that divides 888 without a remainder.

1,2,3,4,6,8,12,24,37,74,111,148,222,296,444,888

Factors of 991

List of positive integer factors of 991 that divides 991 without a remainder.

1,991

Greatest Common Factor

We found the factors 21,888,991 . The biggest common factor number is the GCF number.
So the greatest common factor 21,888,991 is 1.

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

• GCF of 75, 881, 580
• GCF of 61, 213, 334
• GCF of 37, 873, 506
• GCF of 26, 520, 227
• GCF of 41, 722, 399

1. What is the GCF of 21, 888, 991?

Answer: GCF of 21, 888, 991 is 1.

2. How to Find the GCF of 21, 888, 991

Answer: Greatest Common Factor(GCF) of 21, 888, 991 = 1

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

Step 2: Then multiply all the prime factors GCF(21, 888, 991) = 1.