What is the Least Common Multiple of 56450 and 56470?

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 56450 and 56470 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 56450 and 56470, than apply into the LCM equation.

GCF(56450,56470) = 10
LCM(56450,56470) = ( 56450 × 56470) / 10
LCM(56450,56470) = 3187731500 / 10
LCM(56450,56470) = 318773150

Least Common Multiple (LCM) of 56450 and 56470 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 56450 and 56470. First we will calculate the prime factors of 56450 and 56470.

Prime Factorization of 56450

Prime Factorization of 56470

Now multiplying the highest exponent prime factors to calculate the LCM of 56450 and 56470.

LCM(56450,56470) = 2¹ × 5² × 1129¹ × 5647¹
LCM(56450,56470) = 318773150