GCF and LCM Calculator Logo

What is the Least Common Multiple of 43490 and 43500?

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 43490 and 43500 is 189181500.

LCM(43490,43500) = 189181500

LCM Calculator and
and

Least Common Multiple of 43490 and 43500 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 43490 and 43500, than apply into the LCM equation.

GCF(43490,43500) = 10
LCM(43490,43500) = ( 43490 × 43500) / 10
LCM(43490,43500) = 1891815000 / 10
LCM(43490,43500) = 189181500

Least Common Multiple (LCM) of 43490 and 43500 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 43490 and 43500. First we will calculate the prime factors of 43490 and 43500.

Prime Factorization of 43490

Prime factors of 43490 are 2, 5, 4349. Prime factorization of 43490 in exponential form is:

43490 = 21 × 51 × 43491

Prime Factorization of 43500

Prime factors of 43500 are 2, 3, 5, 29. Prime factorization of 43500 in exponential form is:

43500 = 22 × 31 × 53 × 291

Now multiplying the highest exponent prime factors to calculate the LCM of 43490 and 43500.

LCM(43490,43500) = 22 × 53 × 43491 × 31 × 291
LCM(43490,43500) = 189181500