GCF and LCM Calculator Logo

What is the Least Common Multiple of 78693 and 78708?

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 78693 and 78708 is 2064589548.

LCM(78693,78708) = 2064589548

LCM Calculator and
and

Least Common Multiple of 78693 and 78708 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 78693 and 78708, than apply into the LCM equation.

GCF(78693,78708) = 3
LCM(78693,78708) = ( 78693 × 78708) / 3
LCM(78693,78708) = 6193768644 / 3
LCM(78693,78708) = 2064589548

Least Common Multiple (LCM) of 78693 and 78708 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 78693 and 78708. First we will calculate the prime factors of 78693 and 78708.

Prime Factorization of 78693

Prime factors of 78693 are 3, 17, 1543. Prime factorization of 78693 in exponential form is:

78693 = 31 × 171 × 15431

Prime Factorization of 78708

Prime factors of 78708 are 2, 3, 7, 937. Prime factorization of 78708 in exponential form is:

78708 = 22 × 31 × 71 × 9371

Now multiplying the highest exponent prime factors to calculate the LCM of 78693 and 78708.

LCM(78693,78708) = 31 × 171 × 15431 × 22 × 71 × 9371
LCM(78693,78708) = 2064589548