What is the Least Common Multiple of 12776 and 12784?
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 12776 and 12784 is 20416048.
LCM(12776,12784) = 20416048
Least Common Multiple of 12776 and 12784 with GCF Formula
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 12776 and 12784, than apply into the LCM equation.
GCF(12776,12784) = 8
LCM(12776,12784) = ( 12776 × 12784) / 8
LCM(12776,12784) = 163328384 / 8
LCM(12776,12784) = 20416048
Least Common Multiple (LCM) of 12776 and 12784 with Primes
Least common multiple can be found by multiplying the highest exponent prime factors of 12776 and 12784. First we will calculate the prime factors of 12776 and 12784.
Prime Factorization of 12776
Prime factors of 12776 are 2, 1597. Prime factorization of 12776 in exponential form is:
12776 = 23 × 15971
Prime Factorization of 12784
Prime factors of 12784 are 2, 17, 47. Prime factorization of 12784 in exponential form is:
12784 = 24 × 171 × 471
Now multiplying the highest exponent prime factors to calculate the LCM of 12776 and 12784.
LCM(12776,12784) = 24 × 15971 × 171 × 471
LCM(12776,12784) = 20416048
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