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What is the Least Common Multiple of 284 and 295?

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 284 and 295 is 83780.

LCM(284,295) = 83780

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Least Common Multiple of 284 and 295 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 284 and 295, than apply into the LCM equation.

GCF(284,295) = 1
LCM(284,295) = ( 284 × 295) / 1
LCM(284,295) = 83780 / 1
LCM(284,295) = 83780

Least Common Multiple (LCM) of 284 and 295 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 284 and 295. First we will calculate the prime factors of 284 and 295.

Prime Factorization of 284

Prime factors of 284 are 2, 71. Prime factorization of 284 in exponential form is:

284 = 22 × 711

Prime Factorization of 295

Prime factors of 295 are 5, 59. Prime factorization of 295 in exponential form is:

295 = 51 × 591

Now multiplying the highest exponent prime factors to calculate the LCM of 284 and 295.

LCM(284,295) = 22 × 711 × 51 × 591
LCM(284,295) = 83780