What is the Least Common Multiple of 62405 and 62421?

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 62405 and 62421 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 62405 and 62421, than apply into the LCM equation.

GCF(62405,62421) = 1
LCM(62405,62421) = ( 62405 × 62421) / 1
LCM(62405,62421) = 3895382505 / 1
LCM(62405,62421) = 3895382505

Least Common Multiple (LCM) of 62405 and 62421 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 62405 and 62421. First we will calculate the prime factors of 62405 and 62421.

Prime Factorization of 62405

Prime Factorization of 62421

Now multiplying the highest exponent prime factors to calculate the LCM of 62405 and 62421.

LCM(62405,62421) = 5¹ × 7¹ × 1783¹ × 3¹ × 20807¹
LCM(62405,62421) = 3895382505