What is the Least Common Multiple of 12345 and 12354?
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 12345 and 12354 is 50836710.
LCM(12345,12354) = 50836710
Least Common Multiple of 12345 and 12354 with GCF Formula
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 12345 and 12354, than apply into the LCM equation.
GCF(12345,12354) = 3
LCM(12345,12354) = ( 12345 × 12354) / 3
LCM(12345,12354) = 152510130 / 3
LCM(12345,12354) = 50836710
Least Common Multiple (LCM) of 12345 and 12354 with Primes
Least common multiple can be found by multiplying the highest exponent prime factors of 12345 and 12354. First we will calculate the prime factors of 12345 and 12354.
Prime Factorization of 12345
Prime factors of 12345 are 3, 5, 823. Prime factorization of 12345 in exponential form is:
12345 = 31 × 51 × 8231
Prime Factorization of 12354
Prime factors of 12354 are 2, 3, 29, 71. Prime factorization of 12354 in exponential form is:
12354 = 21 × 31 × 291 × 711
Now multiplying the highest exponent prime factors to calculate the LCM of 12345 and 12354.
LCM(12345,12354) = 31 × 51 × 8231 × 21 × 291 × 711
LCM(12345,12354) = 50836710
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