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What is the Least Common Multiple of 16450 and 16455?

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 16450 and 16455 is 54136950.

LCM(16450,16455) = 54136950

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Least Common Multiple of 16450 and 16455 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 16450 and 16455, than apply into the LCM equation.

GCF(16450,16455) = 5
LCM(16450,16455) = ( 16450 × 16455) / 5
LCM(16450,16455) = 270684750 / 5
LCM(16450,16455) = 54136950

Least Common Multiple (LCM) of 16450 and 16455 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 16450 and 16455. First we will calculate the prime factors of 16450 and 16455.

Prime Factorization of 16450

Prime factors of 16450 are 2, 5, 7, 47. Prime factorization of 16450 in exponential form is:

16450 = 21 × 52 × 71 × 471

Prime Factorization of 16455

Prime factors of 16455 are 3, 5, 1097. Prime factorization of 16455 in exponential form is:

16455 = 31 × 51 × 10971

Now multiplying the highest exponent prime factors to calculate the LCM of 16450 and 16455.

LCM(16450,16455) = 21 × 52 × 71 × 471 × 31 × 10971
LCM(16450,16455) = 54136950