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What is the Least Common Multiple of 68005 and 68013?

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 68005 and 68013 is 4625224065.

LCM(68005,68013) = 4625224065

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Least Common Multiple of 68005 and 68013 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 68005 and 68013, than apply into the LCM equation.

GCF(68005,68013) = 1
LCM(68005,68013) = ( 68005 × 68013) / 1
LCM(68005,68013) = 4625224065 / 1
LCM(68005,68013) = 4625224065

Least Common Multiple (LCM) of 68005 and 68013 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 68005 and 68013. First we will calculate the prime factors of 68005 and 68013.

Prime Factorization of 68005

Prime factors of 68005 are 5, 7, 29, 67. Prime factorization of 68005 in exponential form is:

68005 = 51 × 71 × 291 × 671

Prime Factorization of 68013

Prime factors of 68013 are 3, 11, 229. Prime factorization of 68013 in exponential form is:

68013 = 33 × 111 × 2291

Now multiplying the highest exponent prime factors to calculate the LCM of 68005 and 68013.

LCM(68005,68013) = 51 × 71 × 291 × 671 × 33 × 111 × 2291
LCM(68005,68013) = 4625224065