What is the Least Common Multiple of 89078 and 89090?

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 89078 and 89090 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 89078 and 89090, than apply into the LCM equation.

GCF(89078,89090) = 2
LCM(89078,89090) = ( 89078 × 89090) / 2
LCM(89078,89090) = 7935959020 / 2
LCM(89078,89090) = 3967979510

Least Common Multiple (LCM) of 89078 and 89090 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 89078 and 89090. First we will calculate the prime factors of 89078 and 89090.

Prime Factorization of 89078

Prime Factorization of 89090

Now multiplying the highest exponent prime factors to calculate the LCM of 89078 and 89090.

LCM(89078,89090) = 2¹ × 11¹ × 4049¹ × 5¹ × 59¹ × 151¹
LCM(89078,89090) = 3967979510