What is the Least Common Multiple of 89515 and 89520?

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 89515 and 89520 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 89515 and 89520, than apply into the LCM equation.

GCF(89515,89520) = 5
LCM(89515,89520) = ( 89515 × 89520) / 5
LCM(89515,89520) = 8013382800 / 5
LCM(89515,89520) = 1602676560

Least Common Multiple (LCM) of 89515 and 89520 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 89515 and 89520. First we will calculate the prime factors of 89515 and 89520.

Prime Factorization of 89515

Prime Factorization of 89520

Now multiplying the highest exponent prime factors to calculate the LCM of 89515 and 89520.

LCM(89515,89520) = 5¹ × 17903¹ × 2⁴ × 3¹ × 373¹
LCM(89515,89520) = 1602676560