Greatest Common Factor of 21, 87, 74, 874

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

• Greatest Common Factor of 21, 87, 74, 874 by common division method
• Greatest Common Factor of 21, 87, 74, 874 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 87

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

1,3,29,87

Factors of 74

List of positive integer factors of 74 that divides 74 without a remainder.

1,2,37,74

Factors of 874

List of positive integer factors of 874 that divides 874 without a remainder.

1,2,19,23,38,46,437,874

Greatest Common Factor

We found the factors 21,87,74,874 . The biggest common factor number is the GCF number.
So the greatest common factor 21,87,74,874 is 1.

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

• GCF of 24, 86, 84, 677
• GCF of 29, 49, 17, 744
• GCF of 94, 53, 33, 600
• GCF of 42, 49, 35, 429
• GCF of 14, 53, 20, 178

1. What is the GCF of 21, 87, 74, 874?

Answer: GCF of 21, 87, 74, 874 is 1.

2. How to Find the GCF of 21, 87, 74, 874

Answer: Greatest Common Factor(GCF) of 21, 87, 74, 874 = 1

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

Step 2: Then multiply all the prime factors GCF(21, 87, 74, 874) = 1.