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What is the Least Common Multiple of 10005 and 10012?

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 10005 and 10012 is 100170060.

LCM(10005,10012) = 100170060

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Least Common Multiple of 10005 and 10012 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 10005 and 10012, than apply into the LCM equation.

GCF(10005,10012) = 1
LCM(10005,10012) = ( 10005 × 10012) / 1
LCM(10005,10012) = 100170060 / 1
LCM(10005,10012) = 100170060

Least Common Multiple (LCM) of 10005 and 10012 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 10005 and 10012. First we will calculate the prime factors of 10005 and 10012.

Prime Factorization of 10005

Prime factors of 10005 are 3, 5, 23, 29. Prime factorization of 10005 in exponential form is:

10005 = 31 × 51 × 231 × 291

Prime Factorization of 10012

Prime factors of 10012 are 2, 2503. Prime factorization of 10012 in exponential form is:

10012 = 22 × 25031

Now multiplying the highest exponent prime factors to calculate the LCM of 10005 and 10012.

LCM(10005,10012) = 31 × 51 × 231 × 291 × 22 × 25031
LCM(10005,10012) = 100170060