What is the Greatest Common Factor of 74480 and 74485?

Greatest common factor (GCF) of 74480 and 74485 is 5.

GCF(74480,74485) = 5

We will now calculate the prime factors of 74480 and 74485, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 74480 and 74485.

How to find the GCF of 74480 and 74485?

We will first find the prime factorization of 74480 and 74485. After we will calculate the factors of 74480 and 74485 and find the biggest common factor number .

Step-1: Prime Factorization of 74480

Prime factors of 74480 are 2, 5, 7, 19. Prime factorization of 74480 in exponential form is:

74480 = 2⁴ × 5¹ × 7² × 19¹

Step-2: Prime Factorization of 74485

Prime factors of 74485 are 5, 14897. Prime factorization of 74485 in exponential form is:

74485 = 5¹ × 14897¹

Step-3: Factors of 74480

List of positive integer factors of 74480 that divides 74480 without a remainder.

1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 35, 38, 40, 49, 56, 70, 76, 80, 95, 98, 112, 133, 140, 152, 190, 196, 245, 266, 280, 304, 380, 392, 490, 532, 560, 665, 760, 784, 931, 980, 1064, 1330, 1520, 1862, 1960, 2128, 2660, 3724, 3920, 4655, 5320, 7448, 9310, 10640, 14896, 18620, 37240

Step-4: Factors of 74485

List of positive integer factors of 74485 that divides 74480 without a remainder.

1, 5, 14897

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 74480 and 74485. The biggest common factor number is the GCF number.
So the greatest common factor 74480 and 74485 is 5.

Also check out the Least Common Multiple of 74480 and 74485