What is the Greatest Common Factor of 8 and 730?

Greatest common factor (GCF) of 8 and 730 is 2.

GCF(8,730) = 2

We will now calculate the prime factors of 8 and 730, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 8 and 730.

How to find the GCF of 8 and 730?

We will first find the prime factorization of 8 and 730. After we will calculate the factors of 8 and 730 and find the biggest common factor number .

Step-1: Prime Factorization of 8

Prime factors of 8 are 2. Prime factorization of 8 in exponential form is:

8 = 2³

Step-2: Prime Factorization of 730

Prime factors of 730 are 2, 5, 73. Prime factorization of 730 in exponential form is:

730 = 2¹ × 5¹ × 73¹

Step-3: Factors of 8

List of positive integer factors of 8 that divides 8 without a remainder.

1, 2, 4

Step-4: Factors of 730

List of positive integer factors of 730 that divides 8 without a remainder.

1, 2, 5, 10, 73, 146, 365

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 8 and 730. The biggest common factor number is the GCF number.
So the greatest common factor 8 and 730 is 2.

Also check out the Least Common Multiple of 8 and 730