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What is the Least Common Multiple of 74412 and 74428?

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 74412 and 74428 is 1384584084.

LCM(74412,74428) = 1384584084

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Least Common Multiple of 74412 and 74428 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 74412 and 74428, than apply into the LCM equation.

GCF(74412,74428) = 4
LCM(74412,74428) = ( 74412 × 74428) / 4
LCM(74412,74428) = 5538336336 / 4
LCM(74412,74428) = 1384584084

Least Common Multiple (LCM) of 74412 and 74428 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 74412 and 74428. First we will calculate the prime factors of 74412 and 74428.

Prime Factorization of 74412

Prime factors of 74412 are 2, 3, 13, 53. Prime factorization of 74412 in exponential form is:

74412 = 22 × 33 × 131 × 531

Prime Factorization of 74428

Prime factors of 74428 are 2, 23, 809. Prime factorization of 74428 in exponential form is:

74428 = 22 × 231 × 8091

Now multiplying the highest exponent prime factors to calculate the LCM of 74412 and 74428.

LCM(74412,74428) = 22 × 33 × 131 × 531 × 231 × 8091
LCM(74412,74428) = 1384584084