What is the Least Common Multiple of 70430 and 70445?

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 70430 and 70445 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 70430 and 70445, than apply into the LCM equation.

GCF(70430,70445) = 5
LCM(70430,70445) = ( 70430 × 70445) / 5
LCM(70430,70445) = 4961441350 / 5
LCM(70430,70445) = 992288270

Least Common Multiple (LCM) of 70430 and 70445 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 70430 and 70445. First we will calculate the prime factors of 70430 and 70445.

Prime Factorization of 70430

Prime Factorization of 70445

Now multiplying the highest exponent prime factors to calculate the LCM of 70430 and 70445.

LCM(70430,70445) = 2¹ × 5¹ × 7043¹ × 73¹ × 193¹
LCM(70430,70445) = 992288270