What is the Least Common Multiple of 12668 and 12685?
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 12668 and 12685 is 160693580.
LCM(12668,12685) = 160693580
Least Common Multiple of 12668 and 12685 with GCF Formula
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 12668 and 12685, than apply into the LCM equation.
GCF(12668,12685) = 1
LCM(12668,12685) = ( 12668 × 12685) / 1
LCM(12668,12685) = 160693580 / 1
LCM(12668,12685) = 160693580
Least Common Multiple (LCM) of 12668 and 12685 with Primes
Least common multiple can be found by multiplying the highest exponent prime factors of 12668 and 12685. First we will calculate the prime factors of 12668 and 12685.
Prime Factorization of 12668
Prime factors of 12668 are 2, 3167. Prime factorization of 12668 in exponential form is:
12668 = 22 × 31671
Prime Factorization of 12685
Prime factors of 12685 are 5, 43, 59. Prime factorization of 12685 in exponential form is:
12685 = 51 × 431 × 591
Now multiplying the highest exponent prime factors to calculate the LCM of 12668 and 12685.
LCM(12668,12685) = 22 × 31671 × 51 × 431 × 591
LCM(12668,12685) = 160693580
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