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What is the Least Common Multiple of 73530 and 73545?

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 73530 and 73545 is 360517590.

LCM(73530,73545) = 360517590

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Least Common Multiple of 73530 and 73545 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 73530 and 73545, than apply into the LCM equation.

GCF(73530,73545) = 15
LCM(73530,73545) = ( 73530 × 73545) / 15
LCM(73530,73545) = 5407763850 / 15
LCM(73530,73545) = 360517590

Least Common Multiple (LCM) of 73530 and 73545 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 73530 and 73545. First we will calculate the prime factors of 73530 and 73545.

Prime Factorization of 73530

Prime factors of 73530 are 2, 3, 5, 19, 43. Prime factorization of 73530 in exponential form is:

73530 = 21 × 32 × 51 × 191 × 431

Prime Factorization of 73545

Prime factors of 73545 are 3, 5, 4903. Prime factorization of 73545 in exponential form is:

73545 = 31 × 51 × 49031

Now multiplying the highest exponent prime factors to calculate the LCM of 73530 and 73545.

LCM(73530,73545) = 21 × 32 × 51 × 191 × 431 × 49031
LCM(73530,73545) = 360517590