What is the Least Common Multiple of 106 and 123?
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 106 and 123 is 13038.
LCM(106,123) = 13038
Least Common Multiple of 106 and 123 with GCF Formula
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 106 and 123, than apply into the LCM equation.
GCF(106,123) = 1
LCM(106,123) = ( 106 × 123) / 1
LCM(106,123) = 13038 / 1
LCM(106,123) = 13038
Least Common Multiple (LCM) of 106 and 123 with Primes
Least common multiple can be found by multiplying the highest exponent prime factors of 106 and 123. First we will calculate the prime factors of 106 and 123.
Prime Factorization of 106
Prime factors of 106 are 2, 53. Prime factorization of 106 in exponential form is:
106 = 21 × 531
Prime Factorization of 123
Prime factors of 123 are 3, 41. Prime factorization of 123 in exponential form is:
123 = 31 × 411
Now multiplying the highest exponent prime factors to calculate the LCM of 106 and 123.
LCM(106,123) = 21 × 531 × 31 × 411
LCM(106,123) = 13038
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