What is the Least Common Multiple of 73978 and 73985?

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 73978 and 73985 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 73978 and 73985, than apply into the LCM equation.

GCF(73978,73985) = 1
LCM(73978,73985) = ( 73978 × 73985) / 1
LCM(73978,73985) = 5473262330 / 1
LCM(73978,73985) = 5473262330

Least Common Multiple (LCM) of 73978 and 73985 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 73978 and 73985. First we will calculate the prime factors of 73978 and 73985.

Prime Factorization of 73978

Prime Factorization of 73985

Now multiplying the highest exponent prime factors to calculate the LCM of 73978 and 73985.

LCM(73978,73985) = 2¹ × 47¹ × 787¹ × 5¹ × 14797¹
LCM(73978,73985) = 5473262330