Greatest Common Factor of 72, 45, 690

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

• Greatest Common Factor of 72, 45, 690 by common division method
• Greatest Common Factor of 72, 45, 690 with matching the biggest common factor

Maximum 4 Number can be enter but you can reset

∴ So the GCF of the given numbers is 3 = 3

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 45

List of positive integer factors of 45 that divides 45 without a remainder.

1,3,5,9,15,45

Factors of 690

List of positive integer factors of 690 that divides 690 without a remainder.

1,2,3,5,6,10,15,23,30,46,69,115,138,230,345,690

Greatest Common Factor

We found the factors 72,45,690 . The biggest common factor number is the GCF number.
So the greatest common factor 72,45,690 is 3.

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

• GCF of 66, 65, 824
• GCF of 83, 49, 115
• GCF of 81, 14, 751
• GCF of 67, 80, 521
• GCF of 73, 89, 737

1. What is the GCF of 72, 45, 690?

Answer: GCF of 72, 45, 690 is 3.

2. How to Find the GCF of 72, 45, 690

Answer: Greatest Common Factor(GCF) of 72, 45, 690 = 3

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

Step 2: Then multiply all the prime factors GCF(72, 45, 690) = 3.