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What is the Least Common Multiple of 89905 and 89913?

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 89905 and 89913 is 8083628265.

LCM(89905,89913) = 8083628265

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Least Common Multiple of 89905 and 89913 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 89905 and 89913, than apply into the LCM equation.

GCF(89905,89913) = 1
LCM(89905,89913) = ( 89905 × 89913) / 1
LCM(89905,89913) = 8083628265 / 1
LCM(89905,89913) = 8083628265

Least Common Multiple (LCM) of 89905 and 89913 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 89905 and 89913. First we will calculate the prime factors of 89905 and 89913.

Prime Factorization of 89905

Prime factors of 89905 are 5, 17981. Prime factorization of 89905 in exponential form is:

89905 = 51 × 179811

Prime Factorization of 89913

Prime factors of 89913 are 3, 17, 41, 43. Prime factorization of 89913 in exponential form is:

89913 = 31 × 171 × 411 × 431

Now multiplying the highest exponent prime factors to calculate the LCM of 89905 and 89913.

LCM(89905,89913) = 51 × 179811 × 31 × 171 × 411 × 431
LCM(89905,89913) = 8083628265