GCF and LCM Calculator Logo

What is the Least Common Multiple of 83645 and 83658?

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 83645 and 83658 is 6997573410.

LCM(83645,83658) = 6997573410

LCM Calculator and
and

Least Common Multiple of 83645 and 83658 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 83645 and 83658, than apply into the LCM equation.

GCF(83645,83658) = 1
LCM(83645,83658) = ( 83645 × 83658) / 1
LCM(83645,83658) = 6997573410 / 1
LCM(83645,83658) = 6997573410

Least Common Multiple (LCM) of 83645 and 83658 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 83645 and 83658. First we will calculate the prime factors of 83645 and 83658.

Prime Factorization of 83645

Prime factors of 83645 are 5, 16729. Prime factorization of 83645 in exponential form is:

83645 = 51 × 167291

Prime Factorization of 83658

Prime factors of 83658 are 2, 3, 73, 191. Prime factorization of 83658 in exponential form is:

83658 = 21 × 31 × 731 × 1911

Now multiplying the highest exponent prime factors to calculate the LCM of 83645 and 83658.

LCM(83645,83658) = 51 × 167291 × 21 × 31 × 731 × 1911
LCM(83645,83658) = 6997573410