What is the Least Common Multiple of 70580 and 70590?

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 70580 and 70590 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 70580 and 70590, than apply into the LCM equation.

GCF(70580,70590) = 10
LCM(70580,70590) = ( 70580 × 70590) / 10
LCM(70580,70590) = 4982242200 / 10
LCM(70580,70590) = 498224220

Least Common Multiple (LCM) of 70580 and 70590 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 70580 and 70590. First we will calculate the prime factors of 70580 and 70590.

Prime Factorization of 70580

Prime Factorization of 70590

Now multiplying the highest exponent prime factors to calculate the LCM of 70580 and 70590.

LCM(70580,70590) = 2² × 5¹ × 3529¹ × 3¹ × 13¹ × 181¹
LCM(70580,70590) = 498224220