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What is the Least Common Multiple of 74388 and 74400?

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 74388 and 74400 is 461205600.

LCM(74388,74400) = 461205600

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Least Common Multiple of 74388 and 74400 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 74388 and 74400, than apply into the LCM equation.

GCF(74388,74400) = 12
LCM(74388,74400) = ( 74388 × 74400) / 12
LCM(74388,74400) = 5534467200 / 12
LCM(74388,74400) = 461205600

Least Common Multiple (LCM) of 74388 and 74400 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 74388 and 74400. First we will calculate the prime factors of 74388 and 74400.

Prime Factorization of 74388

Prime factors of 74388 are 2, 3, 6199. Prime factorization of 74388 in exponential form is:

74388 = 22 × 31 × 61991

Prime Factorization of 74400

Prime factors of 74400 are 2, 3, 5, 31. Prime factorization of 74400 in exponential form is:

74400 = 25 × 31 × 52 × 311

Now multiplying the highest exponent prime factors to calculate the LCM of 74388 and 74400.

LCM(74388,74400) = 25 × 31 × 61991 × 52 × 311
LCM(74388,74400) = 461205600