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What is the Least Common Multiple of 68173 and 68178?

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 68173 and 68178 is 4647898794.

LCM(68173,68178) = 4647898794

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Least Common Multiple of 68173 and 68178 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 68173 and 68178, than apply into the LCM equation.

GCF(68173,68178) = 1
LCM(68173,68178) = ( 68173 × 68178) / 1
LCM(68173,68178) = 4647898794 / 1
LCM(68173,68178) = 4647898794

Least Common Multiple (LCM) of 68173 and 68178 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 68173 and 68178. First we will calculate the prime factors of 68173 and 68178.

Prime Factorization of 68173

Prime factors of 68173 are 7, 9739. Prime factorization of 68173 in exponential form is:

68173 = 71 × 97391

Prime Factorization of 68178

Prime factors of 68178 are 2, 3, 11, 1033. Prime factorization of 68178 in exponential form is:

68178 = 21 × 31 × 111 × 10331

Now multiplying the highest exponent prime factors to calculate the LCM of 68173 and 68178.

LCM(68173,68178) = 71 × 97391 × 21 × 31 × 111 × 10331
LCM(68173,68178) = 4647898794