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What is the Least Common Multiple of 80481 and 80490?

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 80481 and 80490 is 2159305230.

LCM(80481,80490) = 2159305230

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Least Common Multiple of 80481 and 80490 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 80481 and 80490, than apply into the LCM equation.

GCF(80481,80490) = 3
LCM(80481,80490) = ( 80481 × 80490) / 3
LCM(80481,80490) = 6477915690 / 3
LCM(80481,80490) = 2159305230

Least Common Multiple (LCM) of 80481 and 80490 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 80481 and 80490. First we will calculate the prime factors of 80481 and 80490.

Prime Factorization of 80481

Prime factors of 80481 are 3, 139, 193. Prime factorization of 80481 in exponential form is:

80481 = 31 × 1391 × 1931

Prime Factorization of 80490

Prime factors of 80490 are 2, 3, 5, 2683. Prime factorization of 80490 in exponential form is:

80490 = 21 × 31 × 51 × 26831

Now multiplying the highest exponent prime factors to calculate the LCM of 80481 and 80490.

LCM(80481,80490) = 31 × 1391 × 1931 × 21 × 51 × 26831
LCM(80481,80490) = 2159305230