What is the Greatest Common Factor of 74870 and 74890?

Greatest common factor (GCF) of 74870 and 74890 is 10.

GCF(74870,74890) = 10

We will now calculate the prime factors of 74870 and 74890, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 74870 and 74890.

How to find the GCF of 74870 and 74890?

We will first find the prime factorization of 74870 and 74890. After we will calculate the factors of 74870 and 74890 and find the biggest common factor number .

Step-1: Prime Factorization of 74870

Prime factors of 74870 are 2, 5, 7487. Prime factorization of 74870 in exponential form is:

74870 = 2¹ × 5¹ × 7487¹

Step-2: Prime Factorization of 74890

Prime factors of 74890 are 2, 5, 7489. Prime factorization of 74890 in exponential form is:

74890 = 2¹ × 5¹ × 7489¹

Step-3: Factors of 74870

List of positive integer factors of 74870 that divides 74870 without a remainder.

1, 2, 5, 10, 7487, 14974, 37435

Step-4: Factors of 74890

List of positive integer factors of 74890 that divides 74870 without a remainder.

1, 2, 5, 10, 7489, 14978, 37445

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 74870 and 74890. The biggest common factor number is the GCF number.
So the greatest common factor 74870 and 74890 is 10.

Also check out the Least Common Multiple of 74870 and 74890