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What is the Least Common Multiple of 43615 and 43623?

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 43615 and 43623 is 1902617145.

LCM(43615,43623) = 1902617145

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Least Common Multiple of 43615 and 43623 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 43615 and 43623, than apply into the LCM equation.

GCF(43615,43623) = 1
LCM(43615,43623) = ( 43615 × 43623) / 1
LCM(43615,43623) = 1902617145 / 1
LCM(43615,43623) = 1902617145

Least Common Multiple (LCM) of 43615 and 43623 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 43615 and 43623. First we will calculate the prime factors of 43615 and 43623.

Prime Factorization of 43615

Prime factors of 43615 are 5, 11, 13, 61. Prime factorization of 43615 in exponential form is:

43615 = 51 × 111 × 131 × 611

Prime Factorization of 43623

Prime factors of 43623 are 3, 37, 131. Prime factorization of 43623 in exponential form is:

43623 = 32 × 371 × 1311

Now multiplying the highest exponent prime factors to calculate the LCM of 43615 and 43623.

LCM(43615,43623) = 51 × 111 × 131 × 611 × 32 × 371 × 1311
LCM(43615,43623) = 1902617145