What is the Greatest Common Factor of 75240 and 75257?

Greatest common factor (GCF) of 75240 and 75257 is 1.

GCF(75240,75257) = 1

We will now calculate the prime factors of 75240 and 75257, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 75240 and 75257.

How to find the GCF of 75240 and 75257?

We will first find the prime factorization of 75240 and 75257. After we will calculate the factors of 75240 and 75257 and find the biggest common factor number .

Step-1: Prime Factorization of 75240

Prime factors of 75240 are 2, 3, 5, 11, 19. Prime factorization of 75240 in exponential form is:

75240 = 2³ × 3² × 5¹ × 11¹ × 19¹

Step-2: Prime Factorization of 75257

Prime factors of 75257 are 7, 13, 827. Prime factorization of 75257 in exponential form is:

75257 = 7¹ × 13¹ × 827¹

Step-3: Factors of 75240

List of positive integer factors of 75240 that divides 75240 without a remainder.

1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 19, 20, 22, 24, 30, 33, 36, 38, 40, 44, 45, 55, 57, 60, 66, 72, 76, 88, 90, 95, 99, 110, 114, 120, 132, 152, 165, 171, 180, 190, 198, 209, 220, 228, 264, 285, 330, 342, 360, 380, 396, 418, 440, 456, 495, 570, 627, 660, 684, 760, 792, 836, 855, 990, 1045, 1140, 1254, 1320, 1368, 1672, 1710, 1881, 1980, 2090, 2280, 2508, 3135, 3420, 3762, 3960, 4180, 5016, 6270, 6840, 7524, 8360, 9405, 12540, 15048, 18810, 25080, 37620

Step-4: Factors of 75257

List of positive integer factors of 75257 that divides 75240 without a remainder.

1, 7, 13, 91, 827, 5789, 10751

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 75240 and 75257. The biggest common factor number is the GCF number.
So the greatest common factor 75240 and 75257 is 1.

Also check out the Least Common Multiple of 75240 and 75257