What is the Least Common Multiple of 993 and 1007?
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 993 and 1007 is 999951.
LCM(993,1007) = 999951
Least Common Multiple of 993 and 1007 with GCF Formula
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 993 and 1007, than apply into the LCM equation.
GCF(993,1007) = 1
LCM(993,1007) = ( 993 × 1007) / 1
LCM(993,1007) = 999951 / 1
LCM(993,1007) = 999951
Least Common Multiple (LCM) of 993 and 1007 with Primes
Least common multiple can be found by multiplying the highest exponent prime factors of 993 and 1007. First we will calculate the prime factors of 993 and 1007.
Prime Factorization of 993
Prime factors of 993 are 3, 331. Prime factorization of 993 in exponential form is:
993 = 31 × 3311
Prime Factorization of 1007
Prime factors of 1007 are 19, 53. Prime factorization of 1007 in exponential form is:
1007 = 191 × 531
Now multiplying the highest exponent prime factors to calculate the LCM of 993 and 1007.
LCM(993,1007) = 31 × 3311 × 191 × 531
LCM(993,1007) = 999951
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