What is the Least Common Multiple of 18785 and 18803?

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 18785 and 18803 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 18785 and 18803, than apply into the LCM equation.

GCF(18785,18803) = 1
LCM(18785,18803) = ( 18785 × 18803) / 1
LCM(18785,18803) = 353214355 / 1
LCM(18785,18803) = 353214355

Least Common Multiple (LCM) of 18785 and 18803 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 18785 and 18803. First we will calculate the prime factors of 18785 and 18803.

Prime Factorization of 18785

Prime Factorization of 18803

Now multiplying the highest exponent prime factors to calculate the LCM of 18785 and 18803.

LCM(18785,18803) = 5¹ × 13¹ × 17² × 18803¹
LCM(18785,18803) = 353214355