What is the Greatest Common Factor of 64260 and 64278?

Greatest common factor (GCF) of 64260 and 64278 is 18.

GCF(64260,64278) = 18

We will now calculate the prime factors of 64260 and 64278, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 64260 and 64278.

How to find the GCF of 64260 and 64278?

We will first find the prime factorization of 64260 and 64278. After we will calculate the factors of 64260 and 64278 and find the biggest common factor number .

Step-1: Prime Factorization of 64260

Prime factors of 64260 are 2, 3, 5, 7, 17. Prime factorization of 64260 in exponential form is:

64260 = 2² × 3³ × 5¹ × 7¹ × 17¹

Step-2: Prime Factorization of 64278

Prime factors of 64278 are 2, 3, 3571. Prime factorization of 64278 in exponential form is:

64278 = 2¹ × 3² × 3571¹

Step-3: Factors of 64260

List of positive integer factors of 64260 that divides 64260 without a remainder.

1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 17, 18, 20, 21, 27, 28, 30, 34, 35, 36, 42, 45, 51, 54, 60, 63, 68, 70, 84, 85, 90, 102, 105, 108, 119, 126, 135, 140, 153, 170, 180, 189, 204, 210, 238, 252, 255, 270, 306, 315, 340, 357, 378, 420, 459, 476, 510, 540, 595, 612, 630, 714, 756, 765, 918, 945, 1020, 1071, 1190, 1260, 1428, 1530, 1785, 1836, 1890, 2142, 2295, 2380, 3060, 3213, 3570, 3780, 4284, 4590, 5355, 6426, 7140, 9180, 10710, 12852, 16065, 21420, 32130

Step-4: Factors of 64278

List of positive integer factors of 64278 that divides 64260 without a remainder.

1, 2, 3, 6, 9, 18, 3571, 7142, 10713, 21426, 32139

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 64260 and 64278. The biggest common factor number is the GCF number.
So the greatest common factor 64260 and 64278 is 18.

Also check out the Least Common Multiple of 64260 and 64278