What is the Least Common Multiple of 30516 and 30531?
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 30516 and 30531 is 310561332.
LCM(30516,30531) = 310561332
Least Common Multiple of 30516 and 30531 with GCF Formula
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 30516 and 30531, than apply into the LCM equation.
GCF(30516,30531) = 3
LCM(30516,30531) = ( 30516 × 30531) / 3
LCM(30516,30531) = 931683996 / 3
LCM(30516,30531) = 310561332
Least Common Multiple (LCM) of 30516 and 30531 with Primes
Least common multiple can be found by multiplying the highest exponent prime factors of 30516 and 30531. First we will calculate the prime factors of 30516 and 30531.
Prime Factorization of 30516
Prime factors of 30516 are 2, 3, 2543. Prime factorization of 30516 in exponential form is:
30516 = 22 × 31 × 25431
Prime Factorization of 30531
Prime factors of 30531 are 3, 10177. Prime factorization of 30531 in exponential form is:
30531 = 31 × 101771
Now multiplying the highest exponent prime factors to calculate the LCM of 30516 and 30531.
LCM(30516,30531) = 22 × 31 × 25431 × 101771
LCM(30516,30531) = 310561332
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