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What is the Least Common Multiple of 86851 and 86870?

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 86851 and 86870 is 7544746370.

LCM(86851,86870) = 7544746370

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Least Common Multiple of 86851 and 86870 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 86851 and 86870, than apply into the LCM equation.

GCF(86851,86870) = 1
LCM(86851,86870) = ( 86851 × 86870) / 1
LCM(86851,86870) = 7544746370 / 1
LCM(86851,86870) = 7544746370

Least Common Multiple (LCM) of 86851 and 86870 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 86851 and 86870. First we will calculate the prime factors of 86851 and 86870.

Prime Factorization of 86851

Prime factors of 86851 are 86851. Prime factorization of 86851 in exponential form is:

86851 = 868511

Prime Factorization of 86870

Prime factors of 86870 are 2, 5, 7, 17, 73. Prime factorization of 86870 in exponential form is:

86870 = 21 × 51 × 71 × 171 × 731

Now multiplying the highest exponent prime factors to calculate the LCM of 86851 and 86870.

LCM(86851,86870) = 868511 × 21 × 51 × 71 × 171 × 731
LCM(86851,86870) = 7544746370