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What is the Least Common Multiple of 16470 and 16479?

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 16470 and 16479 is 30156570.

LCM(16470,16479) = 30156570

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Least Common Multiple of 16470 and 16479 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 16470 and 16479, than apply into the LCM equation.

GCF(16470,16479) = 9
LCM(16470,16479) = ( 16470 × 16479) / 9
LCM(16470,16479) = 271409130 / 9
LCM(16470,16479) = 30156570

Least Common Multiple (LCM) of 16470 and 16479 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 16470 and 16479. First we will calculate the prime factors of 16470 and 16479.

Prime Factorization of 16470

Prime factors of 16470 are 2, 3, 5, 61. Prime factorization of 16470 in exponential form is:

16470 = 21 × 33 × 51 × 611

Prime Factorization of 16479

Prime factors of 16479 are 3, 1831. Prime factorization of 16479 in exponential form is:

16479 = 32 × 18311

Now multiplying the highest exponent prime factors to calculate the LCM of 16470 and 16479.

LCM(16470,16479) = 21 × 33 × 51 × 611 × 18311
LCM(16470,16479) = 30156570