GCF and LCM Calculator Logo

What is the Least Common Multiple of 77392 and 77409?

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 77392 and 77409 is 5990837328.

LCM(77392,77409) = 5990837328

LCM Calculator and
and

Least Common Multiple of 77392 and 77409 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 77392 and 77409, than apply into the LCM equation.

GCF(77392,77409) = 1
LCM(77392,77409) = ( 77392 × 77409) / 1
LCM(77392,77409) = 5990837328 / 1
LCM(77392,77409) = 5990837328

Least Common Multiple (LCM) of 77392 and 77409 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 77392 and 77409. First we will calculate the prime factors of 77392 and 77409.

Prime Factorization of 77392

Prime factors of 77392 are 2, 7, 691. Prime factorization of 77392 in exponential form is:

77392 = 24 × 71 × 6911

Prime Factorization of 77409

Prime factors of 77409 are 3, 47, 61. Prime factorization of 77409 in exponential form is:

77409 = 33 × 471 × 611

Now multiplying the highest exponent prime factors to calculate the LCM of 77392 and 77409.

LCM(77392,77409) = 24 × 71 × 6911 × 33 × 471 × 611
LCM(77392,77409) = 5990837328