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What is the Least Common Multiple of 290 and 303?

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 290 and 303 is 87870.

LCM(290,303) = 87870

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Least Common Multiple of 290 and 303 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 290 and 303, than apply into the LCM equation.

GCF(290,303) = 1
LCM(290,303) = ( 290 × 303) / 1
LCM(290,303) = 87870 / 1
LCM(290,303) = 87870

Least Common Multiple (LCM) of 290 and 303 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 290 and 303. First we will calculate the prime factors of 290 and 303.

Prime Factorization of 290

Prime factors of 290 are 2, 5, 29. Prime factorization of 290 in exponential form is:

290 = 21 × 51 × 291

Prime Factorization of 303

Prime factors of 303 are 3, 101. Prime factorization of 303 in exponential form is:

303 = 31 × 1011

Now multiplying the highest exponent prime factors to calculate the LCM of 290 and 303.

LCM(290,303) = 21 × 51 × 291 × 31 × 1011
LCM(290,303) = 87870