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What is the Least Common Multiple of 16490 and 16509?

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 16490 and 16509 is 272233410.

LCM(16490,16509) = 272233410

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Least Common Multiple of 16490 and 16509 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 16490 and 16509, than apply into the LCM equation.

GCF(16490,16509) = 1
LCM(16490,16509) = ( 16490 × 16509) / 1
LCM(16490,16509) = 272233410 / 1
LCM(16490,16509) = 272233410

Least Common Multiple (LCM) of 16490 and 16509 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 16490 and 16509. First we will calculate the prime factors of 16490 and 16509.

Prime Factorization of 16490

Prime factors of 16490 are 2, 5, 17, 97. Prime factorization of 16490 in exponential form is:

16490 = 21 × 51 × 171 × 971

Prime Factorization of 16509

Prime factors of 16509 are 3, 5503. Prime factorization of 16509 in exponential form is:

16509 = 31 × 55031

Now multiplying the highest exponent prime factors to calculate the LCM of 16490 and 16509.

LCM(16490,16509) = 21 × 51 × 171 × 971 × 31 × 55031
LCM(16490,16509) = 272233410