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What is the Least Common Multiple of 18291 and 18300?

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 18291 and 18300 is 111575100.

LCM(18291,18300) = 111575100

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Least Common Multiple of 18291 and 18300 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 18291 and 18300, than apply into the LCM equation.

GCF(18291,18300) = 3
LCM(18291,18300) = ( 18291 × 18300) / 3
LCM(18291,18300) = 334725300 / 3
LCM(18291,18300) = 111575100

Least Common Multiple (LCM) of 18291 and 18300 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 18291 and 18300. First we will calculate the prime factors of 18291 and 18300.

Prime Factorization of 18291

Prime factors of 18291 are 3, 7, 13, 67. Prime factorization of 18291 in exponential form is:

18291 = 31 × 71 × 131 × 671

Prime Factorization of 18300

Prime factors of 18300 are 2, 3, 5, 61. Prime factorization of 18300 in exponential form is:

18300 = 22 × 31 × 52 × 611

Now multiplying the highest exponent prime factors to calculate the LCM of 18291 and 18300.

LCM(18291,18300) = 31 × 71 × 131 × 671 × 22 × 52 × 611
LCM(18291,18300) = 111575100