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What is the Least Common Multiple of 73431 and 73445?

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 73431 and 73445 is 5393139795.

LCM(73431,73445) = 5393139795

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Least Common Multiple of 73431 and 73445 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 73431 and 73445, than apply into the LCM equation.

GCF(73431,73445) = 1
LCM(73431,73445) = ( 73431 × 73445) / 1
LCM(73431,73445) = 5393139795 / 1
LCM(73431,73445) = 5393139795

Least Common Multiple (LCM) of 73431 and 73445 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 73431 and 73445. First we will calculate the prime factors of 73431 and 73445.

Prime Factorization of 73431

Prime factors of 73431 are 3, 41, 199. Prime factorization of 73431 in exponential form is:

73431 = 32 × 411 × 1991

Prime Factorization of 73445

Prime factors of 73445 are 5, 37, 397. Prime factorization of 73445 in exponential form is:

73445 = 51 × 371 × 3971

Now multiplying the highest exponent prime factors to calculate the LCM of 73431 and 73445.

LCM(73431,73445) = 32 × 411 × 1991 × 51 × 371 × 3971
LCM(73431,73445) = 5393139795