GCF and LCM Calculator Logo

What is the Least Common Multiple of 78818 and 78834?

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 78818 and 78834 is 3106769106.

LCM(78818,78834) = 3106769106

LCM Calculator and
and

Least Common Multiple of 78818 and 78834 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 78818 and 78834, than apply into the LCM equation.

GCF(78818,78834) = 2
LCM(78818,78834) = ( 78818 × 78834) / 2
LCM(78818,78834) = 6213538212 / 2
LCM(78818,78834) = 3106769106

Least Common Multiple (LCM) of 78818 and 78834 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 78818 and 78834. First we will calculate the prime factors of 78818 and 78834.

Prime Factorization of 78818

Prime factors of 78818 are 2, 39409. Prime factorization of 78818 in exponential form is:

78818 = 21 × 394091

Prime Factorization of 78834

Prime factors of 78834 are 2, 3, 7, 1877. Prime factorization of 78834 in exponential form is:

78834 = 21 × 31 × 71 × 18771

Now multiplying the highest exponent prime factors to calculate the LCM of 78818 and 78834.

LCM(78818,78834) = 21 × 394091 × 31 × 71 × 18771
LCM(78818,78834) = 3106769106