What is the Least Common Multiple of 87078 and 87091?

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 87078 and 87091 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 87078 and 87091, than apply into the LCM equation.

GCF(87078,87091) = 1
LCM(87078,87091) = ( 87078 × 87091) / 1
LCM(87078,87091) = 7583710098 / 1
LCM(87078,87091) = 7583710098

Least Common Multiple (LCM) of 87078 and 87091 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 87078 and 87091. First we will calculate the prime factors of 87078 and 87091.

Prime Factorization of 87078

Prime Factorization of 87091

Now multiplying the highest exponent prime factors to calculate the LCM of 87078 and 87091.

LCM(87078,87091) = 2¹ × 3¹ × 23¹ × 631¹ × 17¹ × 47¹ × 109¹
LCM(87078,87091) = 7583710098