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What is the Least Common Multiple of 40086 and 40104?

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 40086 and 40104 is 89311608.

LCM(40086,40104) = 89311608

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Least Common Multiple of 40086 and 40104 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 40086 and 40104, than apply into the LCM equation.

GCF(40086,40104) = 18
LCM(40086,40104) = ( 40086 × 40104) / 18
LCM(40086,40104) = 1607608944 / 18
LCM(40086,40104) = 89311608

Least Common Multiple (LCM) of 40086 and 40104 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 40086 and 40104. First we will calculate the prime factors of 40086 and 40104.

Prime Factorization of 40086

Prime factors of 40086 are 2, 3, 17, 131. Prime factorization of 40086 in exponential form is:

40086 = 21 × 32 × 171 × 1311

Prime Factorization of 40104

Prime factors of 40104 are 2, 3, 557. Prime factorization of 40104 in exponential form is:

40104 = 23 × 32 × 5571

Now multiplying the highest exponent prime factors to calculate the LCM of 40086 and 40104.

LCM(40086,40104) = 23 × 32 × 171 × 1311 × 5571
LCM(40086,40104) = 89311608