What is the Least Common Multiple of 70730 and 70745?

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 70730 and 70745 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 70730 and 70745, than apply into the LCM equation.

GCF(70730,70745) = 5
LCM(70730,70745) = ( 70730 × 70745) / 5
LCM(70730,70745) = 5003793850 / 5
LCM(70730,70745) = 1000758770

Least Common Multiple (LCM) of 70730 and 70745 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 70730 and 70745. First we will calculate the prime factors of 70730 and 70745.

Prime Factorization of 70730

Prime Factorization of 70745

Now multiplying the highest exponent prime factors to calculate the LCM of 70730 and 70745.

LCM(70730,70745) = 2¹ × 5¹ × 11¹ × 643¹ × 14149¹
LCM(70730,70745) = 1000758770