Greatest Common Factor of 21, 91, 87, 832

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

• Greatest Common Factor of 21, 91, 87, 832 by common division method
• Greatest Common Factor of 21, 91, 87, 832 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 91

List of positive integer factors of 91 that divides 91 without a remainder.

1,7,13,91

Factors of 87

List of positive integer factors of 87 that divides 87 without a remainder.

1,3,29,87

Factors of 832

List of positive integer factors of 832 that divides 832 without a remainder.

1,2,4,8,13,16,26,32,52,64,104,208,416,832

Greatest Common Factor

We found the factors 21,91,87,832 . The biggest common factor number is the GCF number.
So the greatest common factor 21,91,87,832 is 1.

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

• GCF of 70, 12, 39, 420
• GCF of 17, 11, 96, 406
• GCF of 68, 39, 55, 798
• GCF of 14, 19, 77, 755
• GCF of 81, 73, 46, 917

1. What is the GCF of 21, 91, 87, 832?

Answer: GCF of 21, 91, 87, 832 is 1.

2. How to Find the GCF of 21, 91, 87, 832

Answer: Greatest Common Factor(GCF) of 21, 91, 87, 832 = 1

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

Step 2: Then multiply all the prime factors GCF(21, 91, 87, 832) = 1.