What is the Least Common Multiple of 246 and 256?
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 246 and 256 is 31488.
LCM(246,256) = 31488
Least Common Multiple of 246 and 256 with GCF Formula
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 246 and 256, than apply into the LCM equation.
GCF(246,256) = 2
LCM(246,256) = ( 246 × 256) / 2
LCM(246,256) = 62976 / 2
LCM(246,256) = 31488
Least Common Multiple (LCM) of 246 and 256 with Primes
Least common multiple can be found by multiplying the highest exponent prime factors of 246 and 256. First we will calculate the prime factors of 246 and 256.
Prime Factorization of 246
Prime factors of 246 are 2, 3, 41. Prime factorization of 246 in exponential form is:
246 = 21 × 31 × 411
Prime Factorization of 256
Prime factors of 256 are 2. Prime factorization of 256 in exponential form is:
256 = 28
Now multiplying the highest exponent prime factors to calculate the LCM of 246 and 256.
LCM(246,256) = 28 × 31 × 411
LCM(246,256) = 31488
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