What is the Least Common Multiple of 89955 and 89970?

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 89955 and 89970 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 89955 and 89970, than apply into the LCM equation.

GCF(89955,89970) = 15
LCM(89955,89970) = ( 89955 × 89970) / 15
LCM(89955,89970) = 8093251350 / 15
LCM(89955,89970) = 539550090

Least Common Multiple (LCM) of 89955 and 89970 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 89955 and 89970. First we will calculate the prime factors of 89955 and 89970.

Prime Factorization of 89955

Prime Factorization of 89970

Now multiplying the highest exponent prime factors to calculate the LCM of 89955 and 89970.

LCM(89955,89970) = 3² × 5¹ × 1999¹ × 2¹ × 2999¹
LCM(89955,89970) = 539550090