What is the Least Common Multiple of 91290 and 91310?

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 91290 and 91310 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 91290 and 91310, than apply into the LCM equation.

GCF(91290,91310) = 10
LCM(91290,91310) = ( 91290 × 91310) / 10
LCM(91290,91310) = 8335689900 / 10
LCM(91290,91310) = 833568990

Least Common Multiple (LCM) of 91290 and 91310 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 91290 and 91310. First we will calculate the prime factors of 91290 and 91310.

Prime Factorization of 91290

Prime Factorization of 91310

Now multiplying the highest exponent prime factors to calculate the LCM of 91290 and 91310.

LCM(91290,91310) = 2¹ × 3¹ × 5¹ × 17¹ × 179¹ × 23¹ × 397¹
LCM(91290,91310) = 833568990