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What is the Least Common Multiple of 43792 and 43809?

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 43792 and 43809 is 112851984.

LCM(43792,43809) = 112851984

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Least Common Multiple of 43792 and 43809 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 43792 and 43809, than apply into the LCM equation.

GCF(43792,43809) = 17
LCM(43792,43809) = ( 43792 × 43809) / 17
LCM(43792,43809) = 1918483728 / 17
LCM(43792,43809) = 112851984

Least Common Multiple (LCM) of 43792 and 43809 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 43792 and 43809. First we will calculate the prime factors of 43792 and 43809.

Prime Factorization of 43792

Prime factors of 43792 are 2, 7, 17, 23. Prime factorization of 43792 in exponential form is:

43792 = 24 × 71 × 171 × 231

Prime Factorization of 43809

Prime factors of 43809 are 3, 17, 859. Prime factorization of 43809 in exponential form is:

43809 = 31 × 171 × 8591

Now multiplying the highest exponent prime factors to calculate the LCM of 43792 and 43809.

LCM(43792,43809) = 24 × 71 × 171 × 231 × 31 × 8591
LCM(43792,43809) = 112851984