What is the Least Common Multiple of 1616 and 1630?

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 1616 and 1630 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 1616 and 1630, than apply into the LCM equation.

GCF(1616,1630) = 2
LCM(1616,1630) = ( 1616 × 1630) / 2
LCM(1616,1630) = 2634080 / 2
LCM(1616,1630) = 1317040

Least Common Multiple (LCM) of 1616 and 1630 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 1616 and 1630. First we will calculate the prime factors of 1616 and 1630.

Prime Factorization of 1616

Prime Factorization of 1630

Now multiplying the highest exponent prime factors to calculate the LCM of 1616 and 1630.

LCM(1616,1630) = 2⁴ × 101¹ × 5¹ × 163¹
LCM(1616,1630) = 1317040