GCF and LCM Calculator Logo

What is the Least Common Multiple of 45543 and 45555?

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 45543 and 45555 is 691570455.

LCM(45543,45555) = 691570455

LCM Calculator and
and

Least Common Multiple of 45543 and 45555 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 45543 and 45555, than apply into the LCM equation.

GCF(45543,45555) = 3
LCM(45543,45555) = ( 45543 × 45555) / 3
LCM(45543,45555) = 2074711365 / 3
LCM(45543,45555) = 691570455

Least Common Multiple (LCM) of 45543 and 45555 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 45543 and 45555. First we will calculate the prime factors of 45543 and 45555.

Prime Factorization of 45543

Prime factors of 45543 are 3, 17, 19, 47. Prime factorization of 45543 in exponential form is:

45543 = 31 × 171 × 191 × 471

Prime Factorization of 45555

Prime factors of 45555 are 3, 5, 3037. Prime factorization of 45555 in exponential form is:

45555 = 31 × 51 × 30371

Now multiplying the highest exponent prime factors to calculate the LCM of 45543 and 45555.

LCM(45543,45555) = 31 × 171 × 191 × 471 × 51 × 30371
LCM(45543,45555) = 691570455