Greatest Common Factor of 891, 632, 21, 397

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

• Greatest Common Factor of 891, 632, 21, 397 by common division method
• Greatest Common Factor of 891, 632, 21, 397 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 891

List of positive integer factors of 891 that divides 891 without a remainder.

1,3,9,11,27,33,81,99,297,891

Factors of 632

List of positive integer factors of 632 that divides 632 without a remainder.

1,2,4,8,79,158,316,632

Factors of 21

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

1,3,7,21

Factors of 397

List of positive integer factors of 397 that divides 397 without a remainder.

1,397

Greatest Common Factor

We found the factors 891,632,21,397 . The biggest common factor number is the GCF number.
So the greatest common factor 891,632,21,397 is 1.

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

• GCF of 354, 676, 71, 947
• GCF of 910, 254, 74, 720
• GCF of 953, 984, 94, 910
• GCF of 485, 262, 60, 555
• GCF of 248, 724, 79, 872

1. What is the GCF of 891, 632, 21, 397?

Answer: GCF of 891, 632, 21, 397 is 1.

2. How to Find the GCF of 891, 632, 21, 397

Answer: Greatest Common Factor(GCF) of 891, 632, 21, 397 = 1

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

Step 2: Then multiply all the prime factors GCF(891, 632, 21, 397) = 1.