GCF and LCM Calculator Logo

What is the Least Common Multiple of 83473 and 83478?

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 83473 and 83478 is 6968159094.

LCM(83473,83478) = 6968159094

LCM Calculator and
and

Least Common Multiple of 83473 and 83478 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 83473 and 83478, than apply into the LCM equation.

GCF(83473,83478) = 1
LCM(83473,83478) = ( 83473 × 83478) / 1
LCM(83473,83478) = 6968159094 / 1
LCM(83473,83478) = 6968159094

Least Common Multiple (LCM) of 83473 and 83478 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 83473 and 83478. First we will calculate the prime factors of 83473 and 83478.

Prime Factorization of 83473

Prime factors of 83473 are 13, 6421. Prime factorization of 83473 in exponential form is:

83473 = 131 × 64211

Prime Factorization of 83478

Prime factors of 83478 are 2, 3, 13913. Prime factorization of 83478 in exponential form is:

83478 = 21 × 31 × 139131

Now multiplying the highest exponent prime factors to calculate the LCM of 83473 and 83478.

LCM(83473,83478) = 131 × 64211 × 21 × 31 × 139131
LCM(83473,83478) = 6968159094