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What is the Least Common Multiple of 98605 and 98618?

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 98605 and 98618 is 748017530.

LCM(98605,98618) = 748017530

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Least Common Multiple of 98605 and 98618 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 98605 and 98618, than apply into the LCM equation.

GCF(98605,98618) = 13
LCM(98605,98618) = ( 98605 × 98618) / 13
LCM(98605,98618) = 9724227890 / 13
LCM(98605,98618) = 748017530

Least Common Multiple (LCM) of 98605 and 98618 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 98605 and 98618. First we will calculate the prime factors of 98605 and 98618.

Prime Factorization of 98605

Prime factors of 98605 are 5, 13, 37, 41. Prime factorization of 98605 in exponential form is:

98605 = 51 × 131 × 371 × 411

Prime Factorization of 98618

Prime factors of 98618 are 2, 13, 3793. Prime factorization of 98618 in exponential form is:

98618 = 21 × 131 × 37931

Now multiplying the highest exponent prime factors to calculate the LCM of 98605 and 98618.

LCM(98605,98618) = 51 × 131 × 371 × 411 × 21 × 37931
LCM(98605,98618) = 748017530