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What is the Least Common Multiple of 74436 and 74445?

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 74436 and 74445 is 1847129340.

LCM(74436,74445) = 1847129340

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Least Common Multiple of 74436 and 74445 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 74436 and 74445, than apply into the LCM equation.

GCF(74436,74445) = 3
LCM(74436,74445) = ( 74436 × 74445) / 3
LCM(74436,74445) = 5541388020 / 3
LCM(74436,74445) = 1847129340

Least Common Multiple (LCM) of 74436 and 74445 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 74436 and 74445. First we will calculate the prime factors of 74436 and 74445.

Prime Factorization of 74436

Prime factors of 74436 are 2, 3, 6203. Prime factorization of 74436 in exponential form is:

74436 = 22 × 31 × 62031

Prime Factorization of 74445

Prime factors of 74445 are 3, 5, 7, 709. Prime factorization of 74445 in exponential form is:

74445 = 31 × 51 × 71 × 7091

Now multiplying the highest exponent prime factors to calculate the LCM of 74436 and 74445.

LCM(74436,74445) = 22 × 31 × 62031 × 51 × 71 × 7091
LCM(74436,74445) = 1847129340