What is the Least Common Multiple of 4245 and 4255?

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 4245 and 4255 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 4245 and 4255, than apply into the LCM equation.

GCF(4245,4255) = 5
LCM(4245,4255) = ( 4245 × 4255) / 5
LCM(4245,4255) = 18062475 / 5
LCM(4245,4255) = 3612495

Least Common Multiple (LCM) of 4245 and 4255 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 4245 and 4255. First we will calculate the prime factors of 4245 and 4255.

Prime Factorization of 4245

Prime Factorization of 4255

Now multiplying the highest exponent prime factors to calculate the LCM of 4245 and 4255.

LCM(4245,4255) = 3¹ × 5¹ × 283¹ × 23¹ × 37¹
LCM(4245,4255) = 3612495