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What is the Least Common Multiple of 43538 and 43550?

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 43538 and 43550 is 948039950.

LCM(43538,43550) = 948039950

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Least Common Multiple of 43538 and 43550 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 43538 and 43550, than apply into the LCM equation.

GCF(43538,43550) = 2
LCM(43538,43550) = ( 43538 × 43550) / 2
LCM(43538,43550) = 1896079900 / 2
LCM(43538,43550) = 948039950

Least Common Multiple (LCM) of 43538 and 43550 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 43538 and 43550. First we will calculate the prime factors of 43538 and 43550.

Prime Factorization of 43538

Prime factors of 43538 are 2, 11, 1979. Prime factorization of 43538 in exponential form is:

43538 = 21 × 111 × 19791

Prime Factorization of 43550

Prime factors of 43550 are 2, 5, 13, 67. Prime factorization of 43550 in exponential form is:

43550 = 21 × 52 × 131 × 671

Now multiplying the highest exponent prime factors to calculate the LCM of 43538 and 43550.

LCM(43538,43550) = 21 × 111 × 19791 × 52 × 131 × 671
LCM(43538,43550) = 948039950