Greatest Common Factor of 25, 42, 72, 817

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

• Greatest Common Factor of 25, 42, 72, 817 by common division method
• Greatest Common Factor of 25, 42, 72, 817 with matching the biggest common factor

Maximum 4 Number can be enter but you can reset

∴ GCF of numbers is 1 because of no common factors present between them.

Factors of 25

List of positive integer factors of 25 that divides 25 without a remainder.

1,5,25

Factors of 42

List of positive integer factors of 42 that divides 42 without a remainder.

1,2,3,6,7,14,21,42

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 817

List of positive integer factors of 817 that divides 817 without a remainder.

1,19,43,817

Greatest Common Factor

We found the factors 25,42,72,817 . The biggest common factor number is the GCF number.
So the greatest common factor 25,42,72,817 is 1.

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

• GCF of 15, 34, 27, 587
• GCF of 21, 72, 84, 873
• GCF of 85, 70, 86, 875
• GCF of 42, 28, 37, 225
• GCF of 75, 29, 61, 329

1. What is the GCF of 25, 42, 72, 817?

Answer: GCF of 25, 42, 72, 817 is 1.

2. How to Find the GCF of 25, 42, 72, 817

Answer: Greatest Common Factor(GCF) of 25, 42, 72, 817 = 1

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

Step 2: Then multiply all the prime factors GCF(25, 42, 72, 817) = 1.