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What is the Least Common Multiple of 78448 and 78468?

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 78448 and 78468 is 1538914416.

LCM(78448,78468) = 1538914416

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Least Common Multiple of 78448 and 78468 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 78448 and 78468, than apply into the LCM equation.

GCF(78448,78468) = 4
LCM(78448,78468) = ( 78448 × 78468) / 4
LCM(78448,78468) = 6155657664 / 4
LCM(78448,78468) = 1538914416

Least Common Multiple (LCM) of 78448 and 78468 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 78448 and 78468. First we will calculate the prime factors of 78448 and 78468.

Prime Factorization of 78448

Prime factors of 78448 are 2, 4903. Prime factorization of 78448 in exponential form is:

78448 = 24 × 49031

Prime Factorization of 78468

Prime factors of 78468 are 2, 3, 13, 503. Prime factorization of 78468 in exponential form is:

78468 = 22 × 31 × 131 × 5031

Now multiplying the highest exponent prime factors to calculate the LCM of 78448 and 78468.

LCM(78448,78468) = 24 × 49031 × 31 × 131 × 5031
LCM(78448,78468) = 1538914416