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What is the Least Common Multiple of 82430 and 82440?

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 82430 and 82440 is 679552920.

LCM(82430,82440) = 679552920

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Least Common Multiple of 82430 and 82440 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 82430 and 82440, than apply into the LCM equation.

GCF(82430,82440) = 10
LCM(82430,82440) = ( 82430 × 82440) / 10
LCM(82430,82440) = 6795529200 / 10
LCM(82430,82440) = 679552920

Least Common Multiple (LCM) of 82430 and 82440 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 82430 and 82440. First we will calculate the prime factors of 82430 and 82440.

Prime Factorization of 82430

Prime factors of 82430 are 2, 5, 8243. Prime factorization of 82430 in exponential form is:

82430 = 21 × 51 × 82431

Prime Factorization of 82440

Prime factors of 82440 are 2, 3, 5, 229. Prime factorization of 82440 in exponential form is:

82440 = 23 × 32 × 51 × 2291

Now multiplying the highest exponent prime factors to calculate the LCM of 82430 and 82440.

LCM(82430,82440) = 23 × 51 × 82431 × 32 × 2291
LCM(82430,82440) = 679552920