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What is the Least Common Multiple of 40305 and 40318?

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 40305 and 40318 is 1625016990.

LCM(40305,40318) = 1625016990

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Least Common Multiple of 40305 and 40318 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 40305 and 40318, than apply into the LCM equation.

GCF(40305,40318) = 1
LCM(40305,40318) = ( 40305 × 40318) / 1
LCM(40305,40318) = 1625016990 / 1
LCM(40305,40318) = 1625016990

Least Common Multiple (LCM) of 40305 and 40318 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 40305 and 40318. First we will calculate the prime factors of 40305 and 40318.

Prime Factorization of 40305

Prime factors of 40305 are 3, 5, 2687. Prime factorization of 40305 in exponential form is:

40305 = 31 × 51 × 26871

Prime Factorization of 40318

Prime factors of 40318 are 2, 19, 1061. Prime factorization of 40318 in exponential form is:

40318 = 21 × 191 × 10611

Now multiplying the highest exponent prime factors to calculate the LCM of 40305 and 40318.

LCM(40305,40318) = 31 × 51 × 26871 × 21 × 191 × 10611
LCM(40305,40318) = 1625016990