What is the Least Common Multiple of 16406 and 16422?
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 16406 and 16422 is 134709666.
LCM(16406,16422) = 134709666
Least Common Multiple of 16406 and 16422 with GCF Formula
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 16406 and 16422, than apply into the LCM equation.
GCF(16406,16422) = 2
LCM(16406,16422) = ( 16406 × 16422) / 2
LCM(16406,16422) = 269419332 / 2
LCM(16406,16422) = 134709666
Least Common Multiple (LCM) of 16406 and 16422 with Primes
Least common multiple can be found by multiplying the highest exponent prime factors of 16406 and 16422. First we will calculate the prime factors of 16406 and 16422.
Prime Factorization of 16406
Prime factors of 16406 are 2, 13, 631. Prime factorization of 16406 in exponential form is:
16406 = 21 × 131 × 6311
Prime Factorization of 16422
Prime factors of 16422 are 2, 3, 7, 17, 23. Prime factorization of 16422 in exponential form is:
16422 = 21 × 31 × 71 × 171 × 231
Now multiplying the highest exponent prime factors to calculate the LCM of 16406 and 16422.
LCM(16406,16422) = 21 × 131 × 6311 × 31 × 71 × 171 × 231
LCM(16406,16422) = 134709666
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