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What is the Least Common Multiple of 86811 and 86830?

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 86811 and 86830 is 396726270.

LCM(86811,86830) = 396726270

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Least Common Multiple of 86811 and 86830 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 86811 and 86830, than apply into the LCM equation.

GCF(86811,86830) = 19
LCM(86811,86830) = ( 86811 × 86830) / 19
LCM(86811,86830) = 7537799130 / 19
LCM(86811,86830) = 396726270

Least Common Multiple (LCM) of 86811 and 86830 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 86811 and 86830. First we will calculate the prime factors of 86811 and 86830.

Prime Factorization of 86811

Prime factors of 86811 are 3, 19, 1523. Prime factorization of 86811 in exponential form is:

86811 = 31 × 191 × 15231

Prime Factorization of 86830

Prime factors of 86830 are 2, 5, 19, 457. Prime factorization of 86830 in exponential form is:

86830 = 21 × 51 × 191 × 4571

Now multiplying the highest exponent prime factors to calculate the LCM of 86811 and 86830.

LCM(86811,86830) = 31 × 191 × 15231 × 21 × 51 × 4571
LCM(86811,86830) = 396726270