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What is the Least Common Multiple of 91031 and 91042?

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 91031 and 91042 is 8287644302.

LCM(91031,91042) = 8287644302

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Least Common Multiple of 91031 and 91042 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 91031 and 91042, than apply into the LCM equation.

GCF(91031,91042) = 1
LCM(91031,91042) = ( 91031 × 91042) / 1
LCM(91031,91042) = 8287644302 / 1
LCM(91031,91042) = 8287644302

Least Common Multiple (LCM) of 91031 and 91042 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 91031 and 91042. First we will calculate the prime factors of 91031 and 91042.

Prime Factorization of 91031

Prime factors of 91031 are 29, 43, 73. Prime factorization of 91031 in exponential form is:

91031 = 291 × 431 × 731

Prime Factorization of 91042

Prime factors of 91042 are 2, 7, 929. Prime factorization of 91042 in exponential form is:

91042 = 21 × 72 × 9291

Now multiplying the highest exponent prime factors to calculate the LCM of 91031 and 91042.

LCM(91031,91042) = 291 × 431 × 731 × 21 × 72 × 9291
LCM(91031,91042) = 8287644302