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What is the Least Common Multiple of 86758 and 86778?

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 86758 and 86778 is 3764342862.

LCM(86758,86778) = 3764342862

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Least Common Multiple of 86758 and 86778 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 86758 and 86778, than apply into the LCM equation.

GCF(86758,86778) = 2
LCM(86758,86778) = ( 86758 × 86778) / 2
LCM(86758,86778) = 7528685724 / 2
LCM(86758,86778) = 3764342862

Least Common Multiple (LCM) of 86758 and 86778 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 86758 and 86778. First we will calculate the prime factors of 86758 and 86778.

Prime Factorization of 86758

Prime factors of 86758 are 2, 7, 6197. Prime factorization of 86758 in exponential form is:

86758 = 21 × 71 × 61971

Prime Factorization of 86778

Prime factors of 86778 are 2, 3, 1607. Prime factorization of 86778 in exponential form is:

86778 = 21 × 33 × 16071

Now multiplying the highest exponent prime factors to calculate the LCM of 86758 and 86778.

LCM(86758,86778) = 21 × 71 × 61971 × 33 × 16071
LCM(86758,86778) = 3764342862