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What is the Least Common Multiple of 80425 and 80445?

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 80425 and 80445 is 1293957825.

LCM(80425,80445) = 1293957825

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Least Common Multiple of 80425 and 80445 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 80425 and 80445, than apply into the LCM equation.

GCF(80425,80445) = 5
LCM(80425,80445) = ( 80425 × 80445) / 5
LCM(80425,80445) = 6469789125 / 5
LCM(80425,80445) = 1293957825

Least Common Multiple (LCM) of 80425 and 80445 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 80425 and 80445. First we will calculate the prime factors of 80425 and 80445.

Prime Factorization of 80425

Prime factors of 80425 are 5, 3217. Prime factorization of 80425 in exponential form is:

80425 = 52 × 32171

Prime Factorization of 80445

Prime factors of 80445 are 3, 5, 31, 173. Prime factorization of 80445 in exponential form is:

80445 = 31 × 51 × 311 × 1731

Now multiplying the highest exponent prime factors to calculate the LCM of 80425 and 80445.

LCM(80425,80445) = 52 × 32171 × 31 × 311 × 1731
LCM(80425,80445) = 1293957825