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What is the Least Common Multiple of 98643 and 98649?

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 98643 and 98649 is 3243677769.

LCM(98643,98649) = 3243677769

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Least Common Multiple of 98643 and 98649 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 98643 and 98649, than apply into the LCM equation.

GCF(98643,98649) = 3
LCM(98643,98649) = ( 98643 × 98649) / 3
LCM(98643,98649) = 9731033307 / 3
LCM(98643,98649) = 3243677769

Least Common Multiple (LCM) of 98643 and 98649 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 98643 and 98649. First we will calculate the prime factors of 98643 and 98649.

Prime Factorization of 98643

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

98643 = 31 × 1311 × 2511

Prime Factorization of 98649

Prime factors of 98649 are 3, 97, 113. Prime factorization of 98649 in exponential form is:

98649 = 32 × 971 × 1131

Now multiplying the highest exponent prime factors to calculate the LCM of 98643 and 98649.

LCM(98643,98649) = 32 × 1311 × 2511 × 971 × 1131
LCM(98643,98649) = 3243677769