What is the Least Common Multiple of 11638 and 11654?
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 11638 and 11654 is 67814626.
LCM(11638,11654) = 67814626
Least Common Multiple of 11638 and 11654 with GCF Formula
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 11638 and 11654, than apply into the LCM equation.
GCF(11638,11654) = 2
LCM(11638,11654) = ( 11638 × 11654) / 2
LCM(11638,11654) = 135629252 / 2
LCM(11638,11654) = 67814626
Least Common Multiple (LCM) of 11638 and 11654 with Primes
Least common multiple can be found by multiplying the highest exponent prime factors of 11638 and 11654. First we will calculate the prime factors of 11638 and 11654.
Prime Factorization of 11638
Prime factors of 11638 are 2, 11, 23. Prime factorization of 11638 in exponential form is:
11638 = 21 × 111 × 232
Prime Factorization of 11654
Prime factors of 11654 are 2, 5827. Prime factorization of 11654 in exponential form is:
11654 = 21 × 58271
Now multiplying the highest exponent prime factors to calculate the LCM of 11638 and 11654.
LCM(11638,11654) = 21 × 111 × 232 × 58271
LCM(11638,11654) = 67814626
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