GCF and LCM Calculator Logo

What is the Least Common Multiple of 78522 and 78530?

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 78522 and 78530 is 3083166330.

LCM(78522,78530) = 3083166330

LCM Calculator and
and

Least Common Multiple of 78522 and 78530 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 78522 and 78530, than apply into the LCM equation.

GCF(78522,78530) = 2
LCM(78522,78530) = ( 78522 × 78530) / 2
LCM(78522,78530) = 6166332660 / 2
LCM(78522,78530) = 3083166330

Least Common Multiple (LCM) of 78522 and 78530 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 78522 and 78530. First we will calculate the prime factors of 78522 and 78530.

Prime Factorization of 78522

Prime factors of 78522 are 2, 3, 23, 569. Prime factorization of 78522 in exponential form is:

78522 = 21 × 31 × 231 × 5691

Prime Factorization of 78530

Prime factors of 78530 are 2, 5, 7853. Prime factorization of 78530 in exponential form is:

78530 = 21 × 51 × 78531

Now multiplying the highest exponent prime factors to calculate the LCM of 78522 and 78530.

LCM(78522,78530) = 21 × 31 × 231 × 5691 × 51 × 78531
LCM(78522,78530) = 3083166330