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What is the Least Common Multiple of 86646 and 86662?

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 86646 and 86662 is 3754457826.

LCM(86646,86662) = 3754457826

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Least Common Multiple of 86646 and 86662 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 86646 and 86662, than apply into the LCM equation.

GCF(86646,86662) = 2
LCM(86646,86662) = ( 86646 × 86662) / 2
LCM(86646,86662) = 7508915652 / 2
LCM(86646,86662) = 3754457826

Least Common Multiple (LCM) of 86646 and 86662 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 86646 and 86662. First we will calculate the prime factors of 86646 and 86662.

Prime Factorization of 86646

Prime factors of 86646 are 2, 3, 7, 2063. Prime factorization of 86646 in exponential form is:

86646 = 21 × 31 × 71 × 20631

Prime Factorization of 86662

Prime factors of 86662 are 2, 43331. Prime factorization of 86662 in exponential form is:

86662 = 21 × 433311

Now multiplying the highest exponent prime factors to calculate the LCM of 86646 and 86662.

LCM(86646,86662) = 21 × 31 × 71 × 20631 × 433311
LCM(86646,86662) = 3754457826