What is the Least Common Multiple of 64155 and 64173?

Least common multiple or lowest common denominator (lcd) can be calculated in two way; with the LCM formula calculation of greatest common factor (GCF), or multiplying the prime factors with the highest exponent factor.

Least Common Multiple of 64155 and 64173 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 64155 and 64173, than apply into the LCM equation.

GCF(64155,64173) = 3
LCM(64155,64173) = ( 64155 × 64173) / 3
LCM(64155,64173) = 4117018815 / 3
LCM(64155,64173) = 1372339605

Least Common Multiple (LCM) of 64155 and 64173 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 64155 and 64173. First we will calculate the prime factors of 64155 and 64173.

Prime Factorization of 64155

Prime Factorization of 64173

Now multiplying the highest exponent prime factors to calculate the LCM of 64155 and 64173.

LCM(64155,64173) = 3¹ × 5¹ × 7¹ × 13¹ × 47¹ × 21391¹
LCM(64155,64173) = 1372339605