What is the Greatest Common Factor of 67440 and 67447?

Greatest common factor (GCF) of 67440 and 67447 is 1.

GCF(67440,67447) = 1

We will now calculate the prime factors of 67440 and 67447, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 67440 and 67447.

How to find the GCF of 67440 and 67447?

We will first find the prime factorization of 67440 and 67447. After we will calculate the factors of 67440 and 67447 and find the biggest common factor number .

Step-1: Prime Factorization of 67440

Prime factors of 67440 are 2, 3, 5, 281. Prime factorization of 67440 in exponential form is:

67440 = 2⁴ × 3¹ × 5¹ × 281¹

Step-2: Prime Factorization of 67447

Prime factors of 67447 are 67447. Prime factorization of 67447 in exponential form is:

67447 = 67447¹

Step-3: Factors of 67440

List of positive integer factors of 67440 that divides 67440 without a remainder.

1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 281, 562, 843, 1124, 1405, 1686, 2248, 2810, 3372, 4215, 4496, 5620, 6744, 8430, 11240, 13488, 16860, 22480, 33720

Step-4: Factors of 67447

List of positive integer factors of 67447 that divides 67440 without a remainder.

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 67440 and 67447. The biggest common factor number is the GCF number.
So the greatest common factor 67440 and 67447 is 1.

Also check out the Least Common Multiple of 67440 and 67447