GCF and LCM Calculator Logo

What is the Least Common Multiple of 78023 and 78040?

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 78023 and 78040 is 6088914920.

LCM(78023,78040) = 6088914920

LCM Calculator and
and

Least Common Multiple of 78023 and 78040 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 78023 and 78040, than apply into the LCM equation.

GCF(78023,78040) = 1
LCM(78023,78040) = ( 78023 × 78040) / 1
LCM(78023,78040) = 6088914920 / 1
LCM(78023,78040) = 6088914920

Least Common Multiple (LCM) of 78023 and 78040 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 78023 and 78040. First we will calculate the prime factors of 78023 and 78040.

Prime Factorization of 78023

Prime factors of 78023 are 11, 41, 173. Prime factorization of 78023 in exponential form is:

78023 = 111 × 411 × 1731

Prime Factorization of 78040

Prime factors of 78040 are 2, 5, 1951. Prime factorization of 78040 in exponential form is:

78040 = 23 × 51 × 19511

Now multiplying the highest exponent prime factors to calculate the LCM of 78023 and 78040.

LCM(78023,78040) = 111 × 411 × 1731 × 23 × 51 × 19511
LCM(78023,78040) = 6088914920