What is the Least Common Multiple of 71218 and 71225?

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 71218 and 71225 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 71218 and 71225, than apply into the LCM equation.

GCF(71218,71225) = 7
LCM(71218,71225) = ( 71218 × 71225) / 7
LCM(71218,71225) = 5072502050 / 7
LCM(71218,71225) = 724643150

Least Common Multiple (LCM) of 71218 and 71225 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 71218 and 71225. First we will calculate the prime factors of 71218 and 71225.

Prime Factorization of 71218

Prime Factorization of 71225

Now multiplying the highest exponent prime factors to calculate the LCM of 71218 and 71225.

LCM(71218,71225) = 2¹ × 7¹ × 5087¹ × 5² × 11¹ × 37¹
LCM(71218,71225) = 724643150