GCF and LCM Calculator Logo

What is the Least Common Multiple of 83390 and 83408?

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 83390 and 83408 is 3477696560.

LCM(83390,83408) = 3477696560

LCM Calculator and
and

Least Common Multiple of 83390 and 83408 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 83390 and 83408, than apply into the LCM equation.

GCF(83390,83408) = 2
LCM(83390,83408) = ( 83390 × 83408) / 2
LCM(83390,83408) = 6955393120 / 2
LCM(83390,83408) = 3477696560

Least Common Multiple (LCM) of 83390 and 83408 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 83390 and 83408. First we will calculate the prime factors of 83390 and 83408.

Prime Factorization of 83390

Prime factors of 83390 are 2, 5, 31, 269. Prime factorization of 83390 in exponential form is:

83390 = 21 × 51 × 311 × 2691

Prime Factorization of 83408

Prime factors of 83408 are 2, 13, 401. Prime factorization of 83408 in exponential form is:

83408 = 24 × 131 × 4011

Now multiplying the highest exponent prime factors to calculate the LCM of 83390 and 83408.

LCM(83390,83408) = 24 × 51 × 311 × 2691 × 131 × 4011
LCM(83390,83408) = 3477696560