What is the Least Common Multiple of 38421 and 38436?

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 38421 and 38436 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 38421 and 38436, than apply into the LCM equation.

GCF(38421,38436) = 3
LCM(38421,38436) = ( 38421 × 38436) / 3
LCM(38421,38436) = 1476749556 / 3
LCM(38421,38436) = 492249852

Least Common Multiple (LCM) of 38421 and 38436 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 38421 and 38436. First we will calculate the prime factors of 38421 and 38436.

Prime Factorization of 38421

Prime Factorization of 38436

Now multiplying the highest exponent prime factors to calculate the LCM of 38421 and 38436.

LCM(38421,38436) = 3³ × 1423¹ × 2² × 3203¹
LCM(38421,38436) = 492249852