What is the Least Common Multiple of 251 and 255?
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 251 and 255 is 64005.
LCM(251,255) = 64005
Least Common Multiple of 251 and 255 with GCF Formula
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 251 and 255, than apply into the LCM equation.
GCF(251,255) = 1
LCM(251,255) = ( 251 × 255) / 1
LCM(251,255) = 64005 / 1
LCM(251,255) = 64005
Least Common Multiple (LCM) of 251 and 255 with Primes
Least common multiple can be found by multiplying the highest exponent prime factors of 251 and 255. First we will calculate the prime factors of 251 and 255.
Prime Factorization of 251
Prime factors of 251 are 251. Prime factorization of 251 in exponential form is:
251 = 2511
Prime Factorization of 255
Prime factors of 255 are 3, 5, 17. Prime factorization of 255 in exponential form is:
255 = 31 × 51 × 171
Now multiplying the highest exponent prime factors to calculate the LCM of 251 and 255.
LCM(251,255) = 2511 × 31 × 51 × 171
LCM(251,255) = 64005
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