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What is the Least Common Multiple of 43430 and 43447?

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 43430 and 43447 is 1886903210.

LCM(43430,43447) = 1886903210

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Least Common Multiple of 43430 and 43447 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 43430 and 43447, than apply into the LCM equation.

GCF(43430,43447) = 1
LCM(43430,43447) = ( 43430 × 43447) / 1
LCM(43430,43447) = 1886903210 / 1
LCM(43430,43447) = 1886903210

Least Common Multiple (LCM) of 43430 and 43447 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 43430 and 43447. First we will calculate the prime factors of 43430 and 43447.

Prime Factorization of 43430

Prime factors of 43430 are 2, 5, 43, 101. Prime factorization of 43430 in exponential form is:

43430 = 21 × 51 × 431 × 1011

Prime Factorization of 43447

Prime factors of 43447 are 23, 1889. Prime factorization of 43447 in exponential form is:

43447 = 231 × 18891

Now multiplying the highest exponent prime factors to calculate the LCM of 43430 and 43447.

LCM(43430,43447) = 21 × 51 × 431 × 1011 × 231 × 18891
LCM(43430,43447) = 1886903210