What is the Least Common Multiple of 12120 and 12124?
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 12120 and 12124 is 36735720.
LCM(12120,12124) = 36735720
Least Common Multiple of 12120 and 12124 with GCF Formula
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 12120 and 12124, than apply into the LCM equation.
GCF(12120,12124) = 4
LCM(12120,12124) = ( 12120 × 12124) / 4
LCM(12120,12124) = 146942880 / 4
LCM(12120,12124) = 36735720
Least Common Multiple (LCM) of 12120 and 12124 with Primes
Least common multiple can be found by multiplying the highest exponent prime factors of 12120 and 12124. First we will calculate the prime factors of 12120 and 12124.
Prime Factorization of 12120
Prime factors of 12120 are 2, 3, 5, 101. Prime factorization of 12120 in exponential form is:
12120 = 23 × 31 × 51 × 1011
Prime Factorization of 12124
Prime factors of 12124 are 2, 7, 433. Prime factorization of 12124 in exponential form is:
12124 = 22 × 71 × 4331
Now multiplying the highest exponent prime factors to calculate the LCM of 12120 and 12124.
LCM(12120,12124) = 23 × 31 × 51 × 1011 × 71 × 4331
LCM(12120,12124) = 36735720
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