What is the Least Common Multiple of 12102 and 12122?
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 12102 and 12122 is 73350222.
LCM(12102,12122) = 73350222
Least Common Multiple of 12102 and 12122 with GCF Formula
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 12102 and 12122, than apply into the LCM equation.
GCF(12102,12122) = 2
LCM(12102,12122) = ( 12102 × 12122) / 2
LCM(12102,12122) = 146700444 / 2
LCM(12102,12122) = 73350222
Least Common Multiple (LCM) of 12102 and 12122 with Primes
Least common multiple can be found by multiplying the highest exponent prime factors of 12102 and 12122. First we will calculate the prime factors of 12102 and 12122.
Prime Factorization of 12102
Prime factors of 12102 are 2, 3, 2017. Prime factorization of 12102 in exponential form is:
12102 = 21 × 31 × 20171
Prime Factorization of 12122
Prime factors of 12122 are 2, 11, 19, 29. Prime factorization of 12122 in exponential form is:
12122 = 21 × 111 × 191 × 291
Now multiplying the highest exponent prime factors to calculate the LCM of 12102 and 12122.
LCM(12102,12122) = 21 × 31 × 20171 × 111 × 191 × 291
LCM(12102,12122) = 73350222
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