GCF and LCM Calculator Logo

What is the Least Common Multiple of 80389 and 80403?

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 80389 and 80403 is 6463516767.

LCM(80389,80403) = 6463516767

LCM Calculator and
and

Least Common Multiple of 80389 and 80403 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 80389 and 80403, than apply into the LCM equation.

GCF(80389,80403) = 1
LCM(80389,80403) = ( 80389 × 80403) / 1
LCM(80389,80403) = 6463516767 / 1
LCM(80389,80403) = 6463516767

Least Common Multiple (LCM) of 80389 and 80403 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 80389 and 80403. First we will calculate the prime factors of 80389 and 80403.

Prime Factorization of 80389

Prime factors of 80389 are 19, 4231. Prime factorization of 80389 in exponential form is:

80389 = 191 × 42311

Prime Factorization of 80403

Prime factors of 80403 are 3, 26801. Prime factorization of 80403 in exponential form is:

80403 = 31 × 268011

Now multiplying the highest exponent prime factors to calculate the LCM of 80389 and 80403.

LCM(80389,80403) = 191 × 42311 × 31 × 268011
LCM(80389,80403) = 6463516767