What is the Least Common Multiple of 16856 and 16875?
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 16856 and 16875 is 284445000.
LCM(16856,16875) = 284445000
Least Common Multiple of 16856 and 16875 with GCF Formula
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 16856 and 16875, than apply into the LCM equation.
GCF(16856,16875) = 1
LCM(16856,16875) = ( 16856 × 16875) / 1
LCM(16856,16875) = 284445000 / 1
LCM(16856,16875) = 284445000
Least Common Multiple (LCM) of 16856 and 16875 with Primes
Least common multiple can be found by multiplying the highest exponent prime factors of 16856 and 16875. First we will calculate the prime factors of 16856 and 16875.
Prime Factorization of 16856
Prime factors of 16856 are 2, 7, 43. Prime factorization of 16856 in exponential form is:
16856 = 23 × 72 × 431
Prime Factorization of 16875
Prime factors of 16875 are 3, 5. Prime factorization of 16875 in exponential form is:
16875 = 33 × 54
Now multiplying the highest exponent prime factors to calculate the LCM of 16856 and 16875.
LCM(16856,16875) = 23 × 72 × 431 × 33 × 54
LCM(16856,16875) = 284445000
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