Greatest Common Factor of 72, 21, 86, 603

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

• Greatest Common Factor of 72, 21, 86, 603 by common division method
• Greatest Common Factor of 72, 21, 86, 603 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 72

List of positive integer factors of 72 that divides 72 without a remainder.

1,2,3,4,6,8,9,12,18,24,36,72

Factors of 21

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

1,3,7,21

Factors of 86

List of positive integer factors of 86 that divides 86 without a remainder.

1,2,43,86

Factors of 603

List of positive integer factors of 603 that divides 603 without a remainder.

1,3,9,67,201,603

Greatest Common Factor

We found the factors 72,21,86,603 . The biggest common factor number is the GCF number.
So the greatest common factor 72,21,86,603 is 1.

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

• GCF of 15, 40, 30, 936
• GCF of 80, 54, 18, 306
• GCF of 58, 62, 43, 644
• GCF of 83, 35, 17, 746
• GCF of 78, 27, 45, 746

1. What is the GCF of 72, 21, 86, 603?

Answer: GCF of 72, 21, 86, 603 is 1.

2. How to Find the GCF of 72, 21, 86, 603

Answer: Greatest Common Factor(GCF) of 72, 21, 86, 603 = 1

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

Step 2: Then multiply all the prime factors GCF(72, 21, 86, 603) = 1.