What is the Greatest Common Factor of 86240 and 86245?

Greatest common factor (GCF) of 86240 and 86245 is 5.

GCF(86240,86245) = 5

We will now calculate the prime factors of 86240 and 86245, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 86240 and 86245.

How to find the GCF of 86240 and 86245?

We will first find the prime factorization of 86240 and 86245. After we will calculate the factors of 86240 and 86245 and find the biggest common factor number .

Step-1: Prime Factorization of 86240

Prime factors of 86240 are 2, 5, 7, 11. Prime factorization of 86240 in exponential form is:

86240 = 2⁵ × 5¹ × 7² × 11¹

Step-2: Prime Factorization of 86245

Prime factors of 86245 are 5, 47, 367. Prime factorization of 86245 in exponential form is:

86245 = 5¹ × 47¹ × 367¹

Step-3: Factors of 86240

List of positive integer factors of 86240 that divides 86240 without a remainder.

1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 44, 49, 55, 56, 70, 77, 80, 88, 98, 110, 112, 140, 154, 160, 176, 196, 220, 224, 245, 280, 308, 352, 385, 392, 440, 490, 539, 560, 616, 770, 784, 880, 980, 1078, 1120, 1232, 1540, 1568, 1760, 1960, 2156, 2464, 2695, 3080, 3920, 4312, 5390, 6160, 7840, 8624, 10780, 12320, 17248, 21560, 43120

Step-4: Factors of 86245

List of positive integer factors of 86245 that divides 86240 without a remainder.

1, 5, 47, 235, 367, 1835, 17249

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 86240 and 86245. The biggest common factor number is the GCF number.
So the greatest common factor 86240 and 86245 is 5.

Also check out the Least Common Multiple of 86240 and 86245