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What is the Least Common Multiple of 90862 and 90880?

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 90862 and 90880 is 4128769280.

LCM(90862,90880) = 4128769280

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Least Common Multiple of 90862 and 90880 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 90862 and 90880, than apply into the LCM equation.

GCF(90862,90880) = 2
LCM(90862,90880) = ( 90862 × 90880) / 2
LCM(90862,90880) = 8257538560 / 2
LCM(90862,90880) = 4128769280

Least Common Multiple (LCM) of 90862 and 90880 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 90862 and 90880. First we will calculate the prime factors of 90862 and 90880.

Prime Factorization of 90862

Prime factors of 90862 are 2, 181, 251. Prime factorization of 90862 in exponential form is:

90862 = 21 × 1811 × 2511

Prime Factorization of 90880

Prime factors of 90880 are 2, 5, 71. Prime factorization of 90880 in exponential form is:

90880 = 28 × 51 × 711

Now multiplying the highest exponent prime factors to calculate the LCM of 90862 and 90880.

LCM(90862,90880) = 28 × 1811 × 2511 × 51 × 711
LCM(90862,90880) = 4128769280