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What is the Least Common Multiple of 40890 and 40899?

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 40890 and 40899 is 557453370.

LCM(40890,40899) = 557453370

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Least Common Multiple of 40890 and 40899 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 40890 and 40899, than apply into the LCM equation.

GCF(40890,40899) = 3
LCM(40890,40899) = ( 40890 × 40899) / 3
LCM(40890,40899) = 1672360110 / 3
LCM(40890,40899) = 557453370

Least Common Multiple (LCM) of 40890 and 40899 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 40890 and 40899. First we will calculate the prime factors of 40890 and 40899.

Prime Factorization of 40890

Prime factors of 40890 are 2, 3, 5, 29, 47. Prime factorization of 40890 in exponential form is:

40890 = 21 × 31 × 51 × 291 × 471

Prime Factorization of 40899

Prime factors of 40899 are 3, 13633. Prime factorization of 40899 in exponential form is:

40899 = 31 × 136331

Now multiplying the highest exponent prime factors to calculate the LCM of 40890 and 40899.

LCM(40890,40899) = 21 × 31 × 51 × 291 × 471 × 136331
LCM(40890,40899) = 557453370