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What is the Least Common Multiple of 75478 and 75498?

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 75478 and 75498 is 2849219022.

LCM(75478,75498) = 2849219022

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Least Common Multiple of 75478 and 75498 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 75478 and 75498, than apply into the LCM equation.

GCF(75478,75498) = 2
LCM(75478,75498) = ( 75478 × 75498) / 2
LCM(75478,75498) = 5698438044 / 2
LCM(75478,75498) = 2849219022

Least Common Multiple (LCM) of 75478 and 75498 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 75478 and 75498. First we will calculate the prime factors of 75478 and 75498.

Prime Factorization of 75478

Prime factors of 75478 are 2, 13, 2903. Prime factorization of 75478 in exponential form is:

75478 = 21 × 131 × 29031

Prime Factorization of 75498

Prime factors of 75498 are 2, 3, 12583. Prime factorization of 75498 in exponential form is:

75498 = 21 × 31 × 125831

Now multiplying the highest exponent prime factors to calculate the LCM of 75478 and 75498.

LCM(75478,75498) = 21 × 131 × 29031 × 31 × 125831
LCM(75478,75498) = 2849219022