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What is the Least Common Multiple of 86445 and 86457?

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 86445 and 86457 is 2491258455.

LCM(86445,86457) = 2491258455

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Least Common Multiple of 86445 and 86457 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 86445 and 86457, than apply into the LCM equation.

GCF(86445,86457) = 3
LCM(86445,86457) = ( 86445 × 86457) / 3
LCM(86445,86457) = 7473775365 / 3
LCM(86445,86457) = 2491258455

Least Common Multiple (LCM) of 86445 and 86457 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 86445 and 86457. First we will calculate the prime factors of 86445 and 86457.

Prime Factorization of 86445

Prime factors of 86445 are 3, 5, 17, 113. Prime factorization of 86445 in exponential form is:

86445 = 32 × 51 × 171 × 1131

Prime Factorization of 86457

Prime factors of 86457 are 3, 7, 23, 179. Prime factorization of 86457 in exponential form is:

86457 = 31 × 71 × 231 × 1791

Now multiplying the highest exponent prime factors to calculate the LCM of 86445 and 86457.

LCM(86445,86457) = 32 × 51 × 171 × 1131 × 71 × 231 × 1791
LCM(86445,86457) = 2491258455