What is the Least Common Multiple of 89970 and 89981?

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 89970 and 89981 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 89970 and 89981, than apply into the LCM equation.

GCF(89970,89981) = 1
LCM(89970,89981) = ( 89970 × 89981) / 1
LCM(89970,89981) = 8095590570 / 1
LCM(89970,89981) = 8095590570

Least Common Multiple (LCM) of 89970 and 89981 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 89970 and 89981. First we will calculate the prime factors of 89970 and 89981.

Prime Factorization of 89970

Prime Factorization of 89981

Now multiplying the highest exponent prime factors to calculate the LCM of 89970 and 89981.

LCM(89970,89981) = 2¹ × 3¹ × 5¹ × 2999¹ × 17¹ × 67¹ × 79¹
LCM(89970,89981) = 8095590570