GCF and LCM Calculator Logo

What is the Least Common Multiple of 78515 and 78532?

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 78515 and 78532 is 6165939980.

LCM(78515,78532) = 6165939980

LCM Calculator and
and

Least Common Multiple of 78515 and 78532 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 78515 and 78532, than apply into the LCM equation.

GCF(78515,78532) = 1
LCM(78515,78532) = ( 78515 × 78532) / 1
LCM(78515,78532) = 6165939980 / 1
LCM(78515,78532) = 6165939980

Least Common Multiple (LCM) of 78515 and 78532 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 78515 and 78532. First we will calculate the prime factors of 78515 and 78532.

Prime Factorization of 78515

Prime factors of 78515 are 5, 41, 383. Prime factorization of 78515 in exponential form is:

78515 = 51 × 411 × 3831

Prime Factorization of 78532

Prime factors of 78532 are 2, 29, 677. Prime factorization of 78532 in exponential form is:

78532 = 22 × 291 × 6771

Now multiplying the highest exponent prime factors to calculate the LCM of 78515 and 78532.

LCM(78515,78532) = 51 × 411 × 3831 × 22 × 291 × 6771
LCM(78515,78532) = 6165939980