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What is the Least Common Multiple of 74445 and 74459?

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 74445 and 74459 is 791871465.

LCM(74445,74459) = 791871465

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Least Common Multiple of 74445 and 74459 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 74445 and 74459, than apply into the LCM equation.

GCF(74445,74459) = 7
LCM(74445,74459) = ( 74445 × 74459) / 7
LCM(74445,74459) = 5543100255 / 7
LCM(74445,74459) = 791871465

Least Common Multiple (LCM) of 74445 and 74459 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 74445 and 74459. First we will calculate the prime factors of 74445 and 74459.

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

Prime Factorization of 74459

Prime factors of 74459 are 7, 11, 967. Prime factorization of 74459 in exponential form is:

74459 = 71 × 111 × 9671

Now multiplying the highest exponent prime factors to calculate the LCM of 74445 and 74459.

LCM(74445,74459) = 31 × 51 × 71 × 7091 × 111 × 9671
LCM(74445,74459) = 791871465