What is the Least Common Multiple of 87478 and 87491?

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 87478 and 87491 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 87478 and 87491, than apply into the LCM equation.

GCF(87478,87491) = 1
LCM(87478,87491) = ( 87478 × 87491) / 1
LCM(87478,87491) = 7653537698 / 1
LCM(87478,87491) = 7653537698

Least Common Multiple (LCM) of 87478 and 87491 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 87478 and 87491. First we will calculate the prime factors of 87478 and 87491.

Prime Factorization of 87478

Prime Factorization of 87491

Now multiplying the highest exponent prime factors to calculate the LCM of 87478 and 87491.

LCM(87478,87491) = 2¹ × 191¹ × 229¹ × 87491¹
LCM(87478,87491) = 7653537698