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What is the Least Common Multiple of 43645 and 43663?

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 43645 and 43663 is 1905671635.

LCM(43645,43663) = 1905671635

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Least Common Multiple of 43645 and 43663 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 43645 and 43663, than apply into the LCM equation.

GCF(43645,43663) = 1
LCM(43645,43663) = ( 43645 × 43663) / 1
LCM(43645,43663) = 1905671635 / 1
LCM(43645,43663) = 1905671635

Least Common Multiple (LCM) of 43645 and 43663 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 43645 and 43663. First we will calculate the prime factors of 43645 and 43663.

Prime Factorization of 43645

Prime factors of 43645 are 5, 7, 29, 43. Prime factorization of 43645 in exponential form is:

43645 = 51 × 71 × 291 × 431

Prime Factorization of 43663

Prime factors of 43663 are 47, 929. Prime factorization of 43663 in exponential form is:

43663 = 471 × 9291

Now multiplying the highest exponent prime factors to calculate the LCM of 43645 and 43663.

LCM(43645,43663) = 51 × 71 × 291 × 431 × 471 × 9291
LCM(43645,43663) = 1905671635