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What is the Least Common Multiple of 86856 and 86871?

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 86856 and 86871 is 2515089192.

LCM(86856,86871) = 2515089192

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Least Common Multiple of 86856 and 86871 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 86856 and 86871, than apply into the LCM equation.

GCF(86856,86871) = 3
LCM(86856,86871) = ( 86856 × 86871) / 3
LCM(86856,86871) = 7545267576 / 3
LCM(86856,86871) = 2515089192

Least Common Multiple (LCM) of 86856 and 86871 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 86856 and 86871. First we will calculate the prime factors of 86856 and 86871.

Prime Factorization of 86856

Prime factors of 86856 are 2, 3, 7, 11, 47. Prime factorization of 86856 in exponential form is:

86856 = 23 × 31 × 71 × 111 × 471

Prime Factorization of 86871

Prime factors of 86871 are 3, 23, 1259. Prime factorization of 86871 in exponential form is:

86871 = 31 × 231 × 12591

Now multiplying the highest exponent prime factors to calculate the LCM of 86856 and 86871.

LCM(86856,86871) = 23 × 31 × 71 × 111 × 471 × 231 × 12591
LCM(86856,86871) = 2515089192