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What is the Least Common Multiple of 18060 and 18065?

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 18060 and 18065 is 65250780.

LCM(18060,18065) = 65250780

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Least Common Multiple of 18060 and 18065 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 18060 and 18065, than apply into the LCM equation.

GCF(18060,18065) = 5
LCM(18060,18065) = ( 18060 × 18065) / 5
LCM(18060,18065) = 326253900 / 5
LCM(18060,18065) = 65250780

Least Common Multiple (LCM) of 18060 and 18065 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 18060 and 18065. First we will calculate the prime factors of 18060 and 18065.

Prime Factorization of 18060

Prime factors of 18060 are 2, 3, 5, 7, 43. Prime factorization of 18060 in exponential form is:

18060 = 22 × 31 × 51 × 71 × 431

Prime Factorization of 18065

Prime factors of 18065 are 5, 3613. Prime factorization of 18065 in exponential form is:

18065 = 51 × 36131

Now multiplying the highest exponent prime factors to calculate the LCM of 18060 and 18065.

LCM(18060,18065) = 22 × 31 × 51 × 71 × 431 × 36131
LCM(18060,18065) = 65250780