What is the Least Common Multiple of 36405 and 36421?

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 36405 and 36421 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 36405 and 36421, than apply into the LCM equation.

GCF(36405,36421) = 1
LCM(36405,36421) = ( 36405 × 36421) / 1
LCM(36405,36421) = 1325906505 / 1
LCM(36405,36421) = 1325906505

Least Common Multiple (LCM) of 36405 and 36421 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 36405 and 36421. First we will calculate the prime factors of 36405 and 36421.

Prime Factorization of 36405

Prime Factorization of 36421

Now multiplying the highest exponent prime factors to calculate the LCM of 36405 and 36421.

LCM(36405,36421) = 3² × 5¹ × 809¹ × 7¹ × 11² × 43¹
LCM(36405,36421) = 1325906505