What is the Greatest Common Factor of 64240 and 64249?

Greatest common factor (GCF) of 64240 and 64249 is 1.

GCF(64240,64249) = 1

We will now calculate the prime factors of 64240 and 64249, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 64240 and 64249.

How to find the GCF of 64240 and 64249?

We will first find the prime factorization of 64240 and 64249. After we will calculate the factors of 64240 and 64249 and find the biggest common factor number .

Step-1: Prime Factorization of 64240

Prime factors of 64240 are 2, 5, 11, 73. Prime factorization of 64240 in exponential form is:

64240 = 2⁴ × 5¹ × 11¹ × 73¹

Step-2: Prime Factorization of 64249

Prime factors of 64249 are 47, 1367. Prime factorization of 64249 in exponential form is:

64249 = 47¹ × 1367¹

Step-3: Factors of 64240

List of positive integer factors of 64240 that divides 64240 without a remainder.

1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 73, 80, 88, 110, 146, 176, 220, 292, 365, 440, 584, 730, 803, 880, 1168, 1460, 1606, 2920, 3212, 4015, 5840, 6424, 8030, 12848, 16060, 32120

Step-4: Factors of 64249

List of positive integer factors of 64249 that divides 64240 without a remainder.

1, 47, 1367

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 64240 and 64249. The biggest common factor number is the GCF number.
So the greatest common factor 64240 and 64249 is 1.

Also check out the Least Common Multiple of 64240 and 64249