What is the Least Common Multiple of 285 and 294?
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 285 and 294 is 27930.
LCM(285,294) = 27930
Least Common Multiple of 285 and 294 with GCF Formula
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 285 and 294, than apply into the LCM equation.
GCF(285,294) = 3
LCM(285,294) = ( 285 × 294) / 3
LCM(285,294) = 83790 / 3
LCM(285,294) = 27930
Least Common Multiple (LCM) of 285 and 294 with Primes
Least common multiple can be found by multiplying the highest exponent prime factors of 285 and 294. First we will calculate the prime factors of 285 and 294.
Prime Factorization of 285
Prime factors of 285 are 3, 5, 19. Prime factorization of 285 in exponential form is:
285 = 31 × 51 × 191
Prime Factorization of 294
Prime factors of 294 are 2, 3, 7. Prime factorization of 294 in exponential form is:
294 = 21 × 31 × 72
Now multiplying the highest exponent prime factors to calculate the LCM of 285 and 294.
LCM(285,294) = 31 × 51 × 191 × 21 × 72
LCM(285,294) = 27930
Related Least Common Multiples of 285
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Related Least Common Multiples of 294
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