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What is the Least Common Multiple of 98638 and 98643?

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 98638 and 98643 is 9729948234.

LCM(98638,98643) = 9729948234

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Least Common Multiple of 98638 and 98643 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 98638 and 98643, than apply into the LCM equation.

GCF(98638,98643) = 1
LCM(98638,98643) = ( 98638 × 98643) / 1
LCM(98638,98643) = 9729948234 / 1
LCM(98638,98643) = 9729948234

Least Common Multiple (LCM) of 98638 and 98643 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 98638 and 98643. First we will calculate the prime factors of 98638 and 98643.

Prime Factorization of 98638

Prime factors of 98638 are 2, 149, 331. Prime factorization of 98638 in exponential form is:

98638 = 21 × 1491 × 3311

Prime Factorization of 98643

Prime factors of 98643 are 3, 131, 251. Prime factorization of 98643 in exponential form is:

98643 = 31 × 1311 × 2511

Now multiplying the highest exponent prime factors to calculate the LCM of 98638 and 98643.

LCM(98638,98643) = 21 × 1491 × 3311 × 31 × 1311 × 2511
LCM(98638,98643) = 9729948234