Greatest Common Factor of 587, 407, 21

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

• Greatest Common Factor of 587, 407, 21 by common division method
• Greatest Common Factor of 587, 407, 21 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 587

List of positive integer factors of 587 that divides 587 without a remainder.

1,587

Factors of 407

List of positive integer factors of 407 that divides 407 without a remainder.

1,11,37,407

Factors of 21

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

1,3,7,21

Greatest Common Factor

We found the factors 587,407,21 . The biggest common factor number is the GCF number.
So the greatest common factor 587,407,21 is 1.

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

• GCF of 485, 624, 65
• GCF of 585, 422, 38
• GCF of 595, 668, 77
• GCF of 744, 682, 87
• GCF of 759, 243, 80

1. What is the GCF of 587, 407, 21?

Answer: GCF of 587, 407, 21 is 1.

2. How to Find the GCF of 587, 407, 21

Answer: Greatest Common Factor(GCF) of 587, 407, 21 = 1

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

Step 2: Then multiply all the prime factors GCF(587, 407, 21) = 1.