What is the Least Common Multiple of 18345 and 18355?

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 18345 and 18355 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 18345 and 18355, than apply into the LCM equation.

GCF(18345,18355) = 5
LCM(18345,18355) = ( 18345 × 18355) / 5
LCM(18345,18355) = 336722475 / 5
LCM(18345,18355) = 67344495

Least Common Multiple (LCM) of 18345 and 18355 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 18345 and 18355. First we will calculate the prime factors of 18345 and 18355.

Prime Factorization of 18345

Prime Factorization of 18355

Now multiplying the highest exponent prime factors to calculate the LCM of 18345 and 18355.

LCM(18345,18355) = 3¹ × 5¹ × 1223¹ × 3671¹
LCM(18345,18355) = 67344495