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What is the Least Common Multiple of 82638 and 82658?

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 82638 and 82658 is 3415345902.

LCM(82638,82658) = 3415345902

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Least Common Multiple of 82638 and 82658 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 82638 and 82658, than apply into the LCM equation.

GCF(82638,82658) = 2
LCM(82638,82658) = ( 82638 × 82658) / 2
LCM(82638,82658) = 6830691804 / 2
LCM(82638,82658) = 3415345902

Least Common Multiple (LCM) of 82638 and 82658 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 82638 and 82658. First we will calculate the prime factors of 82638 and 82658.

Prime Factorization of 82638

Prime factors of 82638 are 2, 3, 4591. Prime factorization of 82638 in exponential form is:

82638 = 21 × 32 × 45911

Prime Factorization of 82658

Prime factors of 82658 are 2, 37, 1117. Prime factorization of 82658 in exponential form is:

82658 = 21 × 371 × 11171

Now multiplying the highest exponent prime factors to calculate the LCM of 82638 and 82658.

LCM(82638,82658) = 21 × 32 × 45911 × 371 × 11171
LCM(82638,82658) = 3415345902