What is the Least Common Multiple of 1002 and 1018?
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 1002 and 1018 is 510018.
LCM(1002,1018) = 510018
Least Common Multiple of 1002 and 1018 with GCF Formula
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 1002 and 1018, than apply into the LCM equation.
GCF(1002,1018) = 2
LCM(1002,1018) = ( 1002 × 1018) / 2
LCM(1002,1018) = 1020036 / 2
LCM(1002,1018) = 510018
Least Common Multiple (LCM) of 1002 and 1018 with Primes
Least common multiple can be found by multiplying the highest exponent prime factors of 1002 and 1018. First we will calculate the prime factors of 1002 and 1018.
Prime Factorization of 1002
Prime factors of 1002 are 2, 3, 167. Prime factorization of 1002 in exponential form is:
1002 = 21 × 31 × 1671
Prime Factorization of 1018
Prime factors of 1018 are 2, 509. Prime factorization of 1018 in exponential form is:
1018 = 21 × 5091
Now multiplying the highest exponent prime factors to calculate the LCM of 1002 and 1018.
LCM(1002,1018) = 21 × 31 × 1671 × 5091
LCM(1002,1018) = 510018
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