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What is the Least Common Multiple of 82661 and 82678?

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 82661 and 82678 is 6834246158.

LCM(82661,82678) = 6834246158

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Least Common Multiple of 82661 and 82678 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 82661 and 82678, than apply into the LCM equation.

GCF(82661,82678) = 1
LCM(82661,82678) = ( 82661 × 82678) / 1
LCM(82661,82678) = 6834246158 / 1
LCM(82661,82678) = 6834246158

Least Common Multiple (LCM) of 82661 and 82678 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 82661 and 82678. First we will calculate the prime factors of 82661 and 82678.

Prime Factorization of 82661

Prime factors of 82661 are 131, 631. Prime factorization of 82661 in exponential form is:

82661 = 1311 × 6311

Prime Factorization of 82678

Prime factors of 82678 are 2, 67, 617. Prime factorization of 82678 in exponential form is:

82678 = 21 × 671 × 6171

Now multiplying the highest exponent prime factors to calculate the LCM of 82661 and 82678.

LCM(82661,82678) = 1311 × 6311 × 21 × 671 × 6171
LCM(82661,82678) = 6834246158