GCF and LCM Calculator Logo

What is the Least Common Multiple of 16478 and 16485?

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 16478 and 16485 is 38805690.

LCM(16478,16485) = 38805690

LCM Calculator and
and

Least Common Multiple of 16478 and 16485 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 16478 and 16485, than apply into the LCM equation.

GCF(16478,16485) = 7
LCM(16478,16485) = ( 16478 × 16485) / 7
LCM(16478,16485) = 271639830 / 7
LCM(16478,16485) = 38805690

Least Common Multiple (LCM) of 16478 and 16485 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 16478 and 16485. First we will calculate the prime factors of 16478 and 16485.

Prime Factorization of 16478

Prime factors of 16478 are 2, 7, 11, 107. Prime factorization of 16478 in exponential form is:

16478 = 21 × 71 × 111 × 1071

Prime Factorization of 16485

Prime factors of 16485 are 3, 5, 7, 157. Prime factorization of 16485 in exponential form is:

16485 = 31 × 51 × 71 × 1571

Now multiplying the highest exponent prime factors to calculate the LCM of 16478 and 16485.

LCM(16478,16485) = 21 × 71 × 111 × 1071 × 31 × 51 × 1571
LCM(16478,16485) = 38805690