What is the Least Common Multiple of 86670 and 86689?

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 86670 and 86689 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 86670 and 86689, than apply into the LCM equation.

GCF(86670,86689) = 1
LCM(86670,86689) = ( 86670 × 86689) / 1
LCM(86670,86689) = 7513335630 / 1
LCM(86670,86689) = 7513335630

Least Common Multiple (LCM) of 86670 and 86689 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 86670 and 86689. First we will calculate the prime factors of 86670 and 86689.

Prime Factorization of 86670

Prime Factorization of 86689

Now multiplying the highest exponent prime factors to calculate the LCM of 86670 and 86689.

LCM(86670,86689) = 2¹ × 3⁴ × 5¹ × 107¹ × 86689¹
LCM(86670,86689) = 7513335630