What is the Least Common Multiple of 70415 and 70430?

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 70415 and 70430 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 70415 and 70430, than apply into the LCM equation.

GCF(70415,70430) = 5
LCM(70415,70430) = ( 70415 × 70430) / 5
LCM(70415,70430) = 4959328450 / 5
LCM(70415,70430) = 991865690

Least Common Multiple (LCM) of 70415 and 70430 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 70415 and 70430. First we will calculate the prime factors of 70415 and 70430.

Prime Factorization of 70415

Prime Factorization of 70430

Now multiplying the highest exponent prime factors to calculate the LCM of 70415 and 70430.

LCM(70415,70430) = 5¹ × 14083¹ × 2¹ × 7043¹
LCM(70415,70430) = 991865690