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What is the Least Common Multiple of 43485 and 43503?

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 43485 and 43503 is 630575985.

LCM(43485,43503) = 630575985

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Least Common Multiple of 43485 and 43503 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 43485 and 43503, than apply into the LCM equation.

GCF(43485,43503) = 3
LCM(43485,43503) = ( 43485 × 43503) / 3
LCM(43485,43503) = 1891727955 / 3
LCM(43485,43503) = 630575985

Least Common Multiple (LCM) of 43485 and 43503 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 43485 and 43503. First we will calculate the prime factors of 43485 and 43503.

Prime Factorization of 43485

Prime factors of 43485 are 3, 5, 13, 223. Prime factorization of 43485 in exponential form is:

43485 = 31 × 51 × 131 × 2231

Prime Factorization of 43503

Prime factors of 43503 are 3, 17, 853. Prime factorization of 43503 in exponential form is:

43503 = 31 × 171 × 8531

Now multiplying the highest exponent prime factors to calculate the LCM of 43485 and 43503.

LCM(43485,43503) = 31 × 51 × 131 × 2231 × 171 × 8531
LCM(43485,43503) = 630575985