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What is the Least Common Multiple of 86857 and 86863?

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 86857 and 86863 is 7544659591.

LCM(86857,86863) = 7544659591

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Least Common Multiple of 86857 and 86863 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 86857 and 86863, than apply into the LCM equation.

GCF(86857,86863) = 1
LCM(86857,86863) = ( 86857 × 86863) / 1
LCM(86857,86863) = 7544659591 / 1
LCM(86857,86863) = 7544659591

Least Common Multiple (LCM) of 86857 and 86863 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 86857 and 86863. First we will calculate the prime factors of 86857 and 86863.

Prime Factorization of 86857

Prime factors of 86857 are 86857. Prime factorization of 86857 in exponential form is:

86857 = 868571

Prime Factorization of 86863

Prime factors of 86863 are 7, 12409. Prime factorization of 86863 in exponential form is:

86863 = 71 × 124091

Now multiplying the highest exponent prime factors to calculate the LCM of 86857 and 86863.

LCM(86857,86863) = 868571 × 71 × 124091
LCM(86857,86863) = 7544659591