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What is the Least Common Multiple of 91231 and 91243?

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 91231 and 91243 is 8324190133.

LCM(91231,91243) = 8324190133

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Least Common Multiple of 91231 and 91243 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 91231 and 91243, than apply into the LCM equation.

GCF(91231,91243) = 1
LCM(91231,91243) = ( 91231 × 91243) / 1
LCM(91231,91243) = 8324190133 / 1
LCM(91231,91243) = 8324190133

Least Common Multiple (LCM) of 91231 and 91243 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 91231 and 91243. First we will calculate the prime factors of 91231 and 91243.

Prime Factorization of 91231

Prime factors of 91231 are 7, 13033. Prime factorization of 91231 in exponential form is:

91231 = 71 × 130331

Prime Factorization of 91243

Prime factors of 91243 are 91243. Prime factorization of 91243 in exponential form is:

91243 = 912431

Now multiplying the highest exponent prime factors to calculate the LCM of 91231 and 91243.

LCM(91231,91243) = 71 × 130331 × 912431
LCM(91231,91243) = 8324190133