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What is the Least Common Multiple of 40424 and 40430?

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 40424 and 40430 is 817171160.

LCM(40424,40430) = 817171160

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Least Common Multiple of 40424 and 40430 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 40424 and 40430, than apply into the LCM equation.

GCF(40424,40430) = 2
LCM(40424,40430) = ( 40424 × 40430) / 2
LCM(40424,40430) = 1634342320 / 2
LCM(40424,40430) = 817171160

Least Common Multiple (LCM) of 40424 and 40430 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 40424 and 40430. First we will calculate the prime factors of 40424 and 40430.

Prime Factorization of 40424

Prime factors of 40424 are 2, 31, 163. Prime factorization of 40424 in exponential form is:

40424 = 23 × 311 × 1631

Prime Factorization of 40430

Prime factors of 40430 are 2, 5, 13, 311. Prime factorization of 40430 in exponential form is:

40430 = 21 × 51 × 131 × 3111

Now multiplying the highest exponent prime factors to calculate the LCM of 40424 and 40430.

LCM(40424,40430) = 23 × 311 × 1631 × 51 × 131 × 3111
LCM(40424,40430) = 817171160