What is the Least Common Multiple of 16540 and 16548?
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 16540 and 16548 is 68425980.
LCM(16540,16548) = 68425980
Least Common Multiple of 16540 and 16548 with GCF Formula
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 16540 and 16548, than apply into the LCM equation.
GCF(16540,16548) = 4
LCM(16540,16548) = ( 16540 × 16548) / 4
LCM(16540,16548) = 273703920 / 4
LCM(16540,16548) = 68425980
Least Common Multiple (LCM) of 16540 and 16548 with Primes
Least common multiple can be found by multiplying the highest exponent prime factors of 16540 and 16548. First we will calculate the prime factors of 16540 and 16548.
Prime Factorization of 16540
Prime factors of 16540 are 2, 5, 827. Prime factorization of 16540 in exponential form is:
16540 = 22 × 51 × 8271
Prime Factorization of 16548
Prime factors of 16548 are 2, 3, 7, 197. Prime factorization of 16548 in exponential form is:
16548 = 22 × 31 × 71 × 1971
Now multiplying the highest exponent prime factors to calculate the LCM of 16540 and 16548.
LCM(16540,16548) = 22 × 51 × 8271 × 31 × 71 × 1971
LCM(16540,16548) = 68425980
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