What is the Least Common Multiple of 11666 and 11680?
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 11666 and 11680 is 68129440.
LCM(11666,11680) = 68129440
Least Common Multiple of 11666 and 11680 with GCF Formula
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 11666 and 11680, than apply into the LCM equation.
GCF(11666,11680) = 2
LCM(11666,11680) = ( 11666 × 11680) / 2
LCM(11666,11680) = 136258880 / 2
LCM(11666,11680) = 68129440
Least Common Multiple (LCM) of 11666 and 11680 with Primes
Least common multiple can be found by multiplying the highest exponent prime factors of 11666 and 11680. First we will calculate the prime factors of 11666 and 11680.
Prime Factorization of 11666
Prime factors of 11666 are 2, 19, 307. Prime factorization of 11666 in exponential form is:
11666 = 21 × 191 × 3071
Prime Factorization of 11680
Prime factors of 11680 are 2, 5, 73. Prime factorization of 11680 in exponential form is:
11680 = 25 × 51 × 731
Now multiplying the highest exponent prime factors to calculate the LCM of 11666 and 11680.
LCM(11666,11680) = 25 × 191 × 3071 × 51 × 731
LCM(11666,11680) = 68129440
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