What is the Least Common Multiple of 12800 and 12818?
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 12800 and 12818 is 82035200.
LCM(12800,12818) = 82035200
Least Common Multiple of 12800 and 12818 with GCF Formula
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 12800 and 12818, than apply into the LCM equation.
GCF(12800,12818) = 2
LCM(12800,12818) = ( 12800 × 12818) / 2
LCM(12800,12818) = 164070400 / 2
LCM(12800,12818) = 82035200
Least Common Multiple (LCM) of 12800 and 12818 with Primes
Least common multiple can be found by multiplying the highest exponent prime factors of 12800 and 12818. First we will calculate the prime factors of 12800 and 12818.
Prime Factorization of 12800
Prime factors of 12800 are 2, 5. Prime factorization of 12800 in exponential form is:
12800 = 29 × 52
Prime Factorization of 12818
Prime factors of 12818 are 2, 13, 17, 29. Prime factorization of 12818 in exponential form is:
12818 = 21 × 131 × 171 × 291
Now multiplying the highest exponent prime factors to calculate the LCM of 12800 and 12818.
LCM(12800,12818) = 29 × 52 × 131 × 171 × 291
LCM(12800,12818) = 82035200
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