What is the Least Common Multiple of 87409 and 87422?

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 87409 and 87422 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 87409 and 87422, than apply into the LCM equation.

GCF(87409,87422) = 1
LCM(87409,87422) = ( 87409 × 87422) / 1
LCM(87409,87422) = 7641469598 / 1
LCM(87409,87422) = 7641469598

Least Common Multiple (LCM) of 87409 and 87422 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 87409 and 87422. First we will calculate the prime factors of 87409 and 87422.

Prime Factorization of 87409

Prime Factorization of 87422

Now multiplying the highest exponent prime factors to calculate the LCM of 87409 and 87422.

LCM(87409,87422) = 7¹ × 12487¹ × 2¹ × 43711¹
LCM(87409,87422) = 7641469598