What is the Least Common Multiple of 414 and 418?
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 414 and 418 is 86526.
LCM(414,418) = 86526
Least Common Multiple of 414 and 418 with GCF Formula
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 414 and 418, than apply into the LCM equation.
GCF(414,418) = 2
LCM(414,418) = ( 414 × 418) / 2
LCM(414,418) = 173052 / 2
LCM(414,418) = 86526
Least Common Multiple (LCM) of 414 and 418 with Primes
Least common multiple can be found by multiplying the highest exponent prime factors of 414 and 418. First we will calculate the prime factors of 414 and 418.
Prime Factorization of 414
Prime factors of 414 are 2, 3, 23. Prime factorization of 414 in exponential form is:
414 = 21 × 32 × 231
Prime Factorization of 418
Prime factors of 418 are 2, 11, 19. Prime factorization of 418 in exponential form is:
418 = 21 × 111 × 191
Now multiplying the highest exponent prime factors to calculate the LCM of 414 and 418.
LCM(414,418) = 21 × 32 × 231 × 111 × 191
LCM(414,418) = 86526
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