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What is the Least Common Multiple of 43783 and 43790?

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 43783 and 43790 is 1917257570.

LCM(43783,43790) = 1917257570

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Least Common Multiple of 43783 and 43790 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 43783 and 43790, than apply into the LCM equation.

GCF(43783,43790) = 1
LCM(43783,43790) = ( 43783 × 43790) / 1
LCM(43783,43790) = 1917257570 / 1
LCM(43783,43790) = 1917257570

Least Common Multiple (LCM) of 43783 and 43790 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 43783 and 43790. First we will calculate the prime factors of 43783 and 43790.

Prime Factorization of 43783

Prime factors of 43783 are 43783. Prime factorization of 43783 in exponential form is:

43783 = 437831

Prime Factorization of 43790

Prime factors of 43790 are 2, 5, 29, 151. Prime factorization of 43790 in exponential form is:

43790 = 21 × 51 × 291 × 1511

Now multiplying the highest exponent prime factors to calculate the LCM of 43783 and 43790.

LCM(43783,43790) = 437831 × 21 × 51 × 291 × 1511
LCM(43783,43790) = 1917257570