GCF and LCM Calculator Logo

What is the Least Common Multiple of 78285 and 78303?

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 78285 and 78303 is 2043316785.

LCM(78285,78303) = 2043316785

LCM Calculator and
and

Least Common Multiple of 78285 and 78303 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 78285 and 78303, than apply into the LCM equation.

GCF(78285,78303) = 3
LCM(78285,78303) = ( 78285 × 78303) / 3
LCM(78285,78303) = 6129950355 / 3
LCM(78285,78303) = 2043316785

Least Common Multiple (LCM) of 78285 and 78303 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 78285 and 78303. First we will calculate the prime factors of 78285 and 78303.

Prime Factorization of 78285

Prime factors of 78285 are 3, 5, 17, 307. Prime factorization of 78285 in exponential form is:

78285 = 31 × 51 × 171 × 3071

Prime Factorization of 78303

Prime factors of 78303 are 3, 43, 607. Prime factorization of 78303 in exponential form is:

78303 = 31 × 431 × 6071

Now multiplying the highest exponent prime factors to calculate the LCM of 78285 and 78303.

LCM(78285,78303) = 31 × 51 × 171 × 3071 × 431 × 6071
LCM(78285,78303) = 2043316785