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What is the Least Common Multiple of 43968 and 43985?

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 43968 and 43985 is 1933932480.

LCM(43968,43985) = 1933932480

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Least Common Multiple of 43968 and 43985 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 43968 and 43985, than apply into the LCM equation.

GCF(43968,43985) = 1
LCM(43968,43985) = ( 43968 × 43985) / 1
LCM(43968,43985) = 1933932480 / 1
LCM(43968,43985) = 1933932480

Least Common Multiple (LCM) of 43968 and 43985 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 43968 and 43985. First we will calculate the prime factors of 43968 and 43985.

Prime Factorization of 43968

Prime factors of 43968 are 2, 3, 229. Prime factorization of 43968 in exponential form is:

43968 = 26 × 31 × 2291

Prime Factorization of 43985

Prime factors of 43985 are 5, 19, 463. Prime factorization of 43985 in exponential form is:

43985 = 51 × 191 × 4631

Now multiplying the highest exponent prime factors to calculate the LCM of 43968 and 43985.

LCM(43968,43985) = 26 × 31 × 2291 × 51 × 191 × 4631
LCM(43968,43985) = 1933932480