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What is the Least Common Multiple of 81298 and 81313?

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 81298 and 81313 is 6610584274.

LCM(81298,81313) = 6610584274

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Least Common Multiple of 81298 and 81313 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 81298 and 81313, than apply into the LCM equation.

GCF(81298,81313) = 1
LCM(81298,81313) = ( 81298 × 81313) / 1
LCM(81298,81313) = 6610584274 / 1
LCM(81298,81313) = 6610584274

Least Common Multiple (LCM) of 81298 and 81313 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 81298 and 81313. First we will calculate the prime factors of 81298 and 81313.

Prime Factorization of 81298

Prime factors of 81298 are 2, 7, 5807. Prime factorization of 81298 in exponential form is:

81298 = 21 × 71 × 58071

Prime Factorization of 81313

Prime factors of 81313 are 31, 43, 61. Prime factorization of 81313 in exponential form is:

81313 = 311 × 431 × 611

Now multiplying the highest exponent prime factors to calculate the LCM of 81298 and 81313.

LCM(81298,81313) = 21 × 71 × 58071 × 311 × 431 × 611
LCM(81298,81313) = 6610584274