What is the Greatest Common Factor of 74370 and 74390?

Greatest common factor (GCF) of 74370 and 74390 is 10.

GCF(74370,74390) = 10

We will now calculate the prime factors of 74370 and 74390, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 74370 and 74390.

How to find the GCF of 74370 and 74390?

We will first find the prime factorization of 74370 and 74390. After we will calculate the factors of 74370 and 74390 and find the biggest common factor number .

Step-1: Prime Factorization of 74370

Prime factors of 74370 are 2, 3, 5, 37, 67. Prime factorization of 74370 in exponential form is:

74370 = 2¹ × 3¹ × 5¹ × 37¹ × 67¹

Step-2: Prime Factorization of 74390

Prime factors of 74390 are 2, 5, 43, 173. Prime factorization of 74390 in exponential form is:

74390 = 2¹ × 5¹ × 43¹ × 173¹

Step-3: Factors of 74370

List of positive integer factors of 74370 that divides 74370 without a remainder.

1, 2, 3, 5, 6, 10, 15, 30, 37, 67, 74, 111, 134, 185, 201, 222, 335, 370, 402, 555, 670, 1005, 1110, 2010, 2479, 4958, 7437, 12395, 14874, 24790, 37185

Step-4: Factors of 74390

List of positive integer factors of 74390 that divides 74370 without a remainder.

1, 2, 5, 10, 43, 86, 173, 215, 346, 430, 865, 1730, 7439, 14878, 37195

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 74370 and 74390. The biggest common factor number is the GCF number.
So the greatest common factor 74370 and 74390 is 10.

Also check out the Least Common Multiple of 74370 and 74390