GCF and LCM Calculator Logo

What is the Least Common Multiple of 78387 and 78394?

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 78387 and 78394 is 6145070478.

LCM(78387,78394) = 6145070478

LCM Calculator and
and

Least Common Multiple of 78387 and 78394 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 78387 and 78394, than apply into the LCM equation.

GCF(78387,78394) = 1
LCM(78387,78394) = ( 78387 × 78394) / 1
LCM(78387,78394) = 6145070478 / 1
LCM(78387,78394) = 6145070478

Least Common Multiple (LCM) of 78387 and 78394 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 78387 and 78394. First we will calculate the prime factors of 78387 and 78394.

Prime Factorization of 78387

Prime factors of 78387 are 3, 17, 29, 53. Prime factorization of 78387 in exponential form is:

78387 = 31 × 171 × 291 × 531

Prime Factorization of 78394

Prime factors of 78394 are 2, 19, 2063. Prime factorization of 78394 in exponential form is:

78394 = 21 × 191 × 20631

Now multiplying the highest exponent prime factors to calculate the LCM of 78387 and 78394.

LCM(78387,78394) = 31 × 171 × 291 × 531 × 21 × 191 × 20631
LCM(78387,78394) = 6145070478