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What is the Least Common Multiple of 86779 and 86786?

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 86779 and 86786 is 1075886042.

LCM(86779,86786) = 1075886042

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Least Common Multiple of 86779 and 86786 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 86779 and 86786, than apply into the LCM equation.

GCF(86779,86786) = 7
LCM(86779,86786) = ( 86779 × 86786) / 7
LCM(86779,86786) = 7531202294 / 7
LCM(86779,86786) = 1075886042

Least Common Multiple (LCM) of 86779 and 86786 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 86779 and 86786. First we will calculate the prime factors of 86779 and 86786.

Prime Factorization of 86779

Prime factors of 86779 are 7, 11, 23. Prime factorization of 86779 in exponential form is:

86779 = 73 × 111 × 231

Prime Factorization of 86786

Prime factors of 86786 are 2, 7, 6199. Prime factorization of 86786 in exponential form is:

86786 = 21 × 71 × 61991

Now multiplying the highest exponent prime factors to calculate the LCM of 86779 and 86786.

LCM(86779,86786) = 73 × 111 × 231 × 21 × 61991
LCM(86779,86786) = 1075886042