What is the Greatest Common Factor of 40240 and 40260?

Greatest common factor (GCF) of 40240 and 40260 is 20.

GCF(40240,40260) = 20

We will now calculate the prime factors of 40240 and 40260, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 40240 and 40260.

How to find the GCF of 40240 and 40260?

We will first find the prime factorization of 40240 and 40260. After we will calculate the factors of 40240 and 40260 and find the biggest common factor number .

Step-1: Prime Factorization of 40240

Prime factors of 40240 are 2, 5, 503. Prime factorization of 40240 in exponential form is:

40240 = 2⁴ × 5¹ × 503¹

Step-2: Prime Factorization of 40260

Prime factors of 40260 are 2, 3, 5, 11, 61. Prime factorization of 40260 in exponential form is:

40260 = 2² × 3¹ × 5¹ × 11¹ × 61¹

Step-3: Factors of 40240

List of positive integer factors of 40240 that divides 40240 without a remainder.

1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 503, 1006, 2012, 2515, 4024, 5030, 8048, 10060, 20120

Step-4: Factors of 40260

List of positive integer factors of 40260 that divides 40240 without a remainder.

1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 61, 66, 110, 122, 132, 165, 183, 220, 244, 305, 330, 366, 610, 660, 671, 732, 915, 1220, 1342, 1830, 2013, 2684, 3355, 3660, 4026, 6710, 8052, 10065, 13420, 20130

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 40240 and 40260. The biggest common factor number is the GCF number.
So the greatest common factor 40240 and 40260 is 20.

Also check out the Least Common Multiple of 40240 and 40260