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What is the Least Common Multiple of 40574 and 40591?

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 40574 and 40591 is 1646939234.

LCM(40574,40591) = 1646939234

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Least Common Multiple of 40574 and 40591 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 40574 and 40591, than apply into the LCM equation.

GCF(40574,40591) = 1
LCM(40574,40591) = ( 40574 × 40591) / 1
LCM(40574,40591) = 1646939234 / 1
LCM(40574,40591) = 1646939234

Least Common Multiple (LCM) of 40574 and 40591 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 40574 and 40591. First we will calculate the prime factors of 40574 and 40591.

Prime Factorization of 40574

Prime factors of 40574 are 2, 20287. Prime factorization of 40574 in exponential form is:

40574 = 21 × 202871

Prime Factorization of 40591

Prime factors of 40591 are 40591. Prime factorization of 40591 in exponential form is:

40591 = 405911

Now multiplying the highest exponent prime factors to calculate the LCM of 40574 and 40591.

LCM(40574,40591) = 21 × 202871 × 405911
LCM(40574,40591) = 1646939234