What is the Least Common Multiple of 14720 and 14730?

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 of 14720 and 14730 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 14720 and 14730, than apply into the LCM equation.

GCF(14720,14730) = 10
LCM(14720,14730) = ( 14720 × 14730) / 10
LCM(14720,14730) = 216825600 / 10
LCM(14720,14730) = 21682560

Least Common Multiple (LCM) of 14720 and 14730 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 14720 and 14730. First we will calculate the prime factors of 14720 and 14730.

Prime Factorization of 14720

Prime Factorization of 14730

Now multiplying the highest exponent prime factors to calculate the LCM of 14720 and 14730.

LCM(14720,14730) = 2⁷ × 5¹ × 23¹ × 3¹ × 491¹
LCM(14720,14730) = 21682560