What is the Least Common Multiple of 389 and 394?
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 389 and 394 is 153266.
LCM(389,394) = 153266
Least Common Multiple of 389 and 394 with GCF Formula
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 389 and 394, than apply into the LCM equation.
GCF(389,394) = 1
LCM(389,394) = ( 389 × 394) / 1
LCM(389,394) = 153266 / 1
LCM(389,394) = 153266
Least Common Multiple (LCM) of 389 and 394 with Primes
Least common multiple can be found by multiplying the highest exponent prime factors of 389 and 394. First we will calculate the prime factors of 389 and 394.
Prime Factorization of 389
Prime factors of 389 are 389. Prime factorization of 389 in exponential form is:
389 = 3891
Prime Factorization of 394
Prime factors of 394 are 2, 197. Prime factorization of 394 in exponential form is:
394 = 21 × 1971
Now multiplying the highest exponent prime factors to calculate the LCM of 389 and 394.
LCM(389,394) = 3891 × 21 × 1971
LCM(389,394) = 153266
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