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What is the Least Common Multiple of 89800 and 89805?

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 89800 and 89805 is 1612897800.

LCM(89800,89805) = 1612897800

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Least Common Multiple of 89800 and 89805 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 89800 and 89805, than apply into the LCM equation.

GCF(89800,89805) = 5
LCM(89800,89805) = ( 89800 × 89805) / 5
LCM(89800,89805) = 8064489000 / 5
LCM(89800,89805) = 1612897800

Least Common Multiple (LCM) of 89800 and 89805 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 89800 and 89805. First we will calculate the prime factors of 89800 and 89805.

Prime Factorization of 89800

Prime factors of 89800 are 2, 5, 449. Prime factorization of 89800 in exponential form is:

89800 = 23 × 52 × 4491

Prime Factorization of 89805

Prime factors of 89805 are 3, 5, 5987. Prime factorization of 89805 in exponential form is:

89805 = 31 × 51 × 59871

Now multiplying the highest exponent prime factors to calculate the LCM of 89800 and 89805.

LCM(89800,89805) = 23 × 52 × 4491 × 31 × 59871
LCM(89800,89805) = 1612897800