What is the Least Common Multiple of 77391 and 77405?

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 77391 and 77405 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 77391 and 77405, than apply into the LCM equation.

GCF(77391,77405) = 1
LCM(77391,77405) = ( 77391 × 77405) / 1
LCM(77391,77405) = 5990450355 / 1
LCM(77391,77405) = 5990450355

Least Common Multiple (LCM) of 77391 and 77405 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 77391 and 77405. First we will calculate the prime factors of 77391 and 77405.

Prime Factorization of 77391

Prime Factorization of 77405

Now multiplying the highest exponent prime factors to calculate the LCM of 77391 and 77405.

LCM(77391,77405) = 3² × 8599¹ × 5¹ × 113¹ × 137¹
LCM(77391,77405) = 5990450355