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What is the Least Common Multiple of 40035 and 40042?

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 40035 and 40042 is 1603081470.

LCM(40035,40042) = 1603081470

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Least Common Multiple of 40035 and 40042 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 40035 and 40042, than apply into the LCM equation.

GCF(40035,40042) = 1
LCM(40035,40042) = ( 40035 × 40042) / 1
LCM(40035,40042) = 1603081470 / 1
LCM(40035,40042) = 1603081470

Least Common Multiple (LCM) of 40035 and 40042 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 40035 and 40042. First we will calculate the prime factors of 40035 and 40042.

Prime Factorization of 40035

Prime factors of 40035 are 3, 5, 17, 157. Prime factorization of 40035 in exponential form is:

40035 = 31 × 51 × 171 × 1571

Prime Factorization of 40042

Prime factors of 40042 are 2, 20021. Prime factorization of 40042 in exponential form is:

40042 = 21 × 200211

Now multiplying the highest exponent prime factors to calculate the LCM of 40035 and 40042.

LCM(40035,40042) = 31 × 51 × 171 × 1571 × 21 × 200211
LCM(40035,40042) = 1603081470