What is the Least Common Multiple of 31070 and 31078?

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 31070 and 31078 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 31070 and 31078, than apply into the LCM equation.

GCF(31070,31078) = 2
LCM(31070,31078) = ( 31070 × 31078) / 2
LCM(31070,31078) = 965593460 / 2
LCM(31070,31078) = 482796730

Least Common Multiple (LCM) of 31070 and 31078 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 31070 and 31078. First we will calculate the prime factors of 31070 and 31078.

Prime Factorization of 31070

Prime Factorization of 31078

Now multiplying the highest exponent prime factors to calculate the LCM of 31070 and 31078.

LCM(31070,31078) = 2¹ × 5¹ × 13¹ × 239¹ × 41¹ × 379¹
LCM(31070,31078) = 482796730