What is the Greatest Common Factor of 29780 and 29800?

Greatest common factor (GCF) of 29780 and 29800 is 20.

GCF(29780,29800) = 20

We will now calculate the prime factors of 29780 and 29800, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 29780 and 29800.

How to find the GCF of 29780 and 29800?

We will first find the prime factorization of 29780 and 29800. After we will calculate the factors of 29780 and 29800 and find the biggest common factor number .

Step-1: Prime Factorization of 29780

Prime factors of 29780 are 2, 5, 1489. Prime factorization of 29780 in exponential form is:

29780 = 2² × 5¹ × 1489¹

Step-2: Prime Factorization of 29800

Prime factors of 29800 are 2, 5, 149. Prime factorization of 29800 in exponential form is:

29800 = 2³ × 5² × 149¹

Step-3: Factors of 29780

List of positive integer factors of 29780 that divides 29780 without a remainder.

1, 2, 4, 5, 10, 20, 1489, 2978, 5956, 7445, 14890

Step-4: Factors of 29800

List of positive integer factors of 29800 that divides 29780 without a remainder.

1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 149, 200, 298, 596, 745, 1192, 1490, 2980, 3725, 5960, 7450, 14900

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 29780 and 29800. The biggest common factor number is the GCF number.
So the greatest common factor 29780 and 29800 is 20.

Also check out the Least Common Multiple of 29780 and 29800