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What is the Least Common Multiple of 43805 and 43818?

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 43805 and 43818 is 1919447490.

LCM(43805,43818) = 1919447490

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Least Common Multiple of 43805 and 43818 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 43805 and 43818, than apply into the LCM equation.

GCF(43805,43818) = 1
LCM(43805,43818) = ( 43805 × 43818) / 1
LCM(43805,43818) = 1919447490 / 1
LCM(43805,43818) = 1919447490

Least Common Multiple (LCM) of 43805 and 43818 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 43805 and 43818. First we will calculate the prime factors of 43805 and 43818.

Prime Factorization of 43805

Prime factors of 43805 are 5, 8761. Prime factorization of 43805 in exponential form is:

43805 = 51 × 87611

Prime Factorization of 43818

Prime factors of 43818 are 2, 3, 67, 109. Prime factorization of 43818 in exponential form is:

43818 = 21 × 31 × 671 × 1091

Now multiplying the highest exponent prime factors to calculate the LCM of 43805 and 43818.

LCM(43805,43818) = 51 × 87611 × 21 × 31 × 671 × 1091
LCM(43805,43818) = 1919447490