What is the Least Common Multiple of 31015 and 31030?

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 31015 and 31030 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 31015 and 31030, than apply into the LCM equation.

GCF(31015,31030) = 5
LCM(31015,31030) = ( 31015 × 31030) / 5
LCM(31015,31030) = 962395450 / 5
LCM(31015,31030) = 192479090

Least Common Multiple (LCM) of 31015 and 31030 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 31015 and 31030. First we will calculate the prime factors of 31015 and 31030.

Prime Factorization of 31015

Prime Factorization of 31030

Now multiplying the highest exponent prime factors to calculate the LCM of 31015 and 31030.

LCM(31015,31030) = 5¹ × 6203¹ × 2¹ × 29¹ × 107¹
LCM(31015,31030) = 192479090