What is the Least Common Multiple of 90710 and 90715?

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 90710 and 90715 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 90710 and 90715, than apply into the LCM equation.

GCF(90710,90715) = 5
LCM(90710,90715) = ( 90710 × 90715) / 5
LCM(90710,90715) = 8228757650 / 5
LCM(90710,90715) = 1645751530

Least Common Multiple (LCM) of 90710 and 90715 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 90710 and 90715. First we will calculate the prime factors of 90710 and 90715.

Prime Factorization of 90710

Prime Factorization of 90715

Now multiplying the highest exponent prime factors to calculate the LCM of 90710 and 90715.

LCM(90710,90715) = 2¹ × 5¹ × 47¹ × 193¹ × 18143¹
LCM(90710,90715) = 1645751530