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What is the Least Common Multiple of 9826 and 9840?

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 9826 and 9840 is 48343920.

LCM(9826,9840) = 48343920

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Least Common Multiple of 9826 and 9840 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 9826 and 9840, than apply into the LCM equation.

GCF(9826,9840) = 2
LCM(9826,9840) = ( 9826 × 9840) / 2
LCM(9826,9840) = 96687840 / 2
LCM(9826,9840) = 48343920

Least Common Multiple (LCM) of 9826 and 9840 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 9826 and 9840. First we will calculate the prime factors of 9826 and 9840.

Prime Factorization of 9826

Prime factors of 9826 are 2, 17. Prime factorization of 9826 in exponential form is:

9826 = 21 × 173

Prime Factorization of 9840

Prime factors of 9840 are 2, 3, 5, 41. Prime factorization of 9840 in exponential form is:

9840 = 24 × 31 × 51 × 411

Now multiplying the highest exponent prime factors to calculate the LCM of 9826 and 9840.

LCM(9826,9840) = 24 × 173 × 31 × 51 × 411
LCM(9826,9840) = 48343920