Greatest Common Factor of 21, 87, 94, 671

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

• Greatest Common Factor of 21, 87, 94, 671 by common division method
• Greatest Common Factor of 21, 87, 94, 671 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 94

List of positive integer factors of 94 that divides 94 without a remainder.

1,2,47,94

Factors of 671

List of positive integer factors of 671 that divides 671 without a remainder.

1,11,61,671

Greatest Common Factor

We found the factors 21,87,94,671 . The biggest common factor number is the GCF number.
So the greatest common factor 21,87,94,671 is 1.

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

• GCF of 32, 41, 48, 780
• GCF of 95, 65, 51, 871
• GCF of 80, 24, 42, 924
• GCF of 32, 40, 56, 355
• GCF of 91, 90, 69, 515

1. What is the GCF of 21, 87, 94, 671?

Answer: GCF of 21, 87, 94, 671 is 1.

2. How to Find the GCF of 21, 87, 94, 671

Answer: Greatest Common Factor(GCF) of 21, 87, 94, 671 = 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, 94, 671) = 1.