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What is the Least Common Multiple of 68131 and 68143?

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 68131 and 68143 is 4642650733.

LCM(68131,68143) = 4642650733

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Least Common Multiple of 68131 and 68143 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 68131 and 68143, than apply into the LCM equation.

GCF(68131,68143) = 1
LCM(68131,68143) = ( 68131 × 68143) / 1
LCM(68131,68143) = 4642650733 / 1
LCM(68131,68143) = 4642650733

Least Common Multiple (LCM) of 68131 and 68143 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 68131 and 68143. First we will calculate the prime factors of 68131 and 68143.

Prime Factorization of 68131

Prime factors of 68131 are 7, 9733. Prime factorization of 68131 in exponential form is:

68131 = 71 × 97331

Prime Factorization of 68143

Prime factors of 68143 are 83, 821. Prime factorization of 68143 in exponential form is:

68143 = 831 × 8211

Now multiplying the highest exponent prime factors to calculate the LCM of 68131 and 68143.

LCM(68131,68143) = 71 × 97331 × 831 × 8211
LCM(68131,68143) = 4642650733