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What is the Least Common Multiple of 43398 and 43415?

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 43398 and 43415 is 1884124170.

LCM(43398,43415) = 1884124170

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Least Common Multiple of 43398 and 43415 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 43398 and 43415, than apply into the LCM equation.

GCF(43398,43415) = 1
LCM(43398,43415) = ( 43398 × 43415) / 1
LCM(43398,43415) = 1884124170 / 1
LCM(43398,43415) = 1884124170

Least Common Multiple (LCM) of 43398 and 43415 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 43398 and 43415. First we will calculate the prime factors of 43398 and 43415.

Prime Factorization of 43398

Prime factors of 43398 are 2, 3, 2411. Prime factorization of 43398 in exponential form is:

43398 = 21 × 32 × 24111

Prime Factorization of 43415

Prime factors of 43415 are 5, 19, 457. Prime factorization of 43415 in exponential form is:

43415 = 51 × 191 × 4571

Now multiplying the highest exponent prime factors to calculate the LCM of 43398 and 43415.

LCM(43398,43415) = 21 × 32 × 24111 × 51 × 191 × 4571
LCM(43398,43415) = 1884124170