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What is the Least Common Multiple of 78418 and 78429?

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 78418 and 78429 is 6150245322.

LCM(78418,78429) = 6150245322

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Least Common Multiple of 78418 and 78429 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 78418 and 78429, than apply into the LCM equation.

GCF(78418,78429) = 1
LCM(78418,78429) = ( 78418 × 78429) / 1
LCM(78418,78429) = 6150245322 / 1
LCM(78418,78429) = 6150245322

Least Common Multiple (LCM) of 78418 and 78429 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 78418 and 78429. First we will calculate the prime factors of 78418 and 78429.

Prime Factorization of 78418

Prime factors of 78418 are 2, 39209. Prime factorization of 78418 in exponential form is:

78418 = 21 × 392091

Prime Factorization of 78429

Prime factors of 78429 are 3, 13, 2011. Prime factorization of 78429 in exponential form is:

78429 = 31 × 131 × 20111

Now multiplying the highest exponent prime factors to calculate the LCM of 78418 and 78429.

LCM(78418,78429) = 21 × 392091 × 31 × 131 × 20111
LCM(78418,78429) = 6150245322