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What is the Least Common Multiple of 90487 and 90491?

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 90487 and 90491 is 8188259117.

LCM(90487,90491) = 8188259117

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Least Common Multiple of 90487 and 90491 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 90487 and 90491, than apply into the LCM equation.

GCF(90487,90491) = 1
LCM(90487,90491) = ( 90487 × 90491) / 1
LCM(90487,90491) = 8188259117 / 1
LCM(90487,90491) = 8188259117

Least Common Multiple (LCM) of 90487 and 90491 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 90487 and 90491. First we will calculate the prime factors of 90487 and 90491.

Prime Factorization of 90487

Prime factors of 90487 are 41, 2207. Prime factorization of 90487 in exponential form is:

90487 = 411 × 22071

Prime Factorization of 90491

Prime factors of 90491 are 17, 5323. Prime factorization of 90491 in exponential form is:

90491 = 171 × 53231

Now multiplying the highest exponent prime factors to calculate the LCM of 90487 and 90491.

LCM(90487,90491) = 411 × 22071 × 171 × 53231
LCM(90487,90491) = 8188259117