What is the Least Common Multiple of 91010 and 91015?

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 91010 and 91015 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 91010 and 91015, than apply into the LCM equation.

GCF(91010,91015) = 5
LCM(91010,91015) = ( 91010 × 91015) / 5
LCM(91010,91015) = 8283275150 / 5
LCM(91010,91015) = 1656655030

Least Common Multiple (LCM) of 91010 and 91015 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 91010 and 91015. First we will calculate the prime factors of 91010 and 91015.

Prime Factorization of 91010

Prime Factorization of 91015

Now multiplying the highest exponent prime factors to calculate the LCM of 91010 and 91015.

LCM(91010,91015) = 2¹ × 5¹ × 19¹ × 479¹ × 109¹ × 167¹
LCM(91010,91015) = 1656655030