What is the Least Common Multiple of 378 and 383?
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 378 and 383 is 144774.
LCM(378,383) = 144774
Least Common Multiple of 378 and 383 with GCF Formula
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 378 and 383, than apply into the LCM equation.
GCF(378,383) = 1
LCM(378,383) = ( 378 × 383) / 1
LCM(378,383) = 144774 / 1
LCM(378,383) = 144774
Least Common Multiple (LCM) of 378 and 383 with Primes
Least common multiple can be found by multiplying the highest exponent prime factors of 378 and 383. First we will calculate the prime factors of 378 and 383.
Prime Factorization of 378
Prime factors of 378 are 2, 3, 7. Prime factorization of 378 in exponential form is:
378 = 21 × 33 × 71
Prime Factorization of 383
Prime factors of 383 are 383. Prime factorization of 383 in exponential form is:
383 = 3831
Now multiplying the highest exponent prime factors to calculate the LCM of 378 and 383.
LCM(378,383) = 21 × 33 × 71 × 3831
LCM(378,383) = 144774
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