GCF and LCM Calculator Logo

What is the Least Common Multiple of 87438 and 87452?

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 (LCM) of 87438 and 87452 is 3823313988.

LCM(87438,87452) = 3823313988

LCM Calculator and
and

Least Common Multiple of 87438 and 87452 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 87438 and 87452, than apply into the LCM equation.

GCF(87438,87452) = 2
LCM(87438,87452) = ( 87438 × 87452) / 2
LCM(87438,87452) = 7646627976 / 2
LCM(87438,87452) = 3823313988

Least Common Multiple (LCM) of 87438 and 87452 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 87438 and 87452. First we will calculate the prime factors of 87438 and 87452.

Prime Factorization of 87438

Prime factors of 87438 are 2, 3, 13, 19, 59. Prime factorization of 87438 in exponential form is:

87438 = 21 × 31 × 131 × 191 × 591

Prime Factorization of 87452

Prime factors of 87452 are 2, 21863. Prime factorization of 87452 in exponential form is:

87452 = 22 × 218631

Now multiplying the highest exponent prime factors to calculate the LCM of 87438 and 87452.

LCM(87438,87452) = 22 × 31 × 131 × 191 × 591 × 218631
LCM(87438,87452) = 3823313988