GCF and LCM Calculator Logo

What is the Least Common Multiple of 85391 and 85400?

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 85391 and 85400 is 7292391400.

LCM(85391,85400) = 7292391400

LCM Calculator and
and

Least Common Multiple of 85391 and 85400 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 85391 and 85400, than apply into the LCM equation.

GCF(85391,85400) = 1
LCM(85391,85400) = ( 85391 × 85400) / 1
LCM(85391,85400) = 7292391400 / 1
LCM(85391,85400) = 7292391400

Least Common Multiple (LCM) of 85391 and 85400 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 85391 and 85400. First we will calculate the prime factors of 85391 and 85400.

Prime Factorization of 85391

Prime factors of 85391 are 17, 5023. Prime factorization of 85391 in exponential form is:

85391 = 171 × 50231

Prime Factorization of 85400

Prime factors of 85400 are 2, 5, 7, 61. Prime factorization of 85400 in exponential form is:

85400 = 23 × 52 × 71 × 611

Now multiplying the highest exponent prime factors to calculate the LCM of 85391 and 85400.

LCM(85391,85400) = 171 × 50231 × 23 × 52 × 71 × 611
LCM(85391,85400) = 7292391400