What is the Greatest Common Factor of 15400 and 15415?

Greatest common factor (GCF) of 15400 and 15415 is 5.

GCF(15400,15415) = 5

We will now calculate the prime factors of 15400 and 15415, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 15400 and 15415.

How to find the GCF of 15400 and 15415?

We will first find the prime factorization of 15400 and 15415. After we will calculate the factors of 15400 and 15415 and find the biggest common factor number .

Step-1: Prime Factorization of 15400

Prime factors of 15400 are 2, 5, 7, 11. Prime factorization of 15400 in exponential form is:

15400 = 2³ × 5² × 7¹ × 11¹

Step-2: Prime Factorization of 15415

Prime factors of 15415 are 5, 3083. Prime factorization of 15415 in exponential form is:

15415 = 5¹ × 3083¹

Step-3: Factors of 15400

List of positive integer factors of 15400 that divides 15400 without a remainder.

1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 25, 28, 35, 40, 44, 50, 55, 56, 70, 77, 88, 100, 110, 140, 154, 175, 200, 220, 275, 280, 308, 350, 385, 440, 550, 616, 700, 770, 1100, 1400, 1540, 1925, 2200, 3080, 3850, 7700

Step-4: Factors of 15415

List of positive integer factors of 15415 that divides 15400 without a remainder.

1, 5, 3083

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 15400 and 15415. The biggest common factor number is the GCF number.
So the greatest common factor 15400 and 15415 is 5.

Also check out the Least Common Multiple of 15400 and 15415