What is the Least Common Multiple of 69990 and 70007?

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 69990 and 70007 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 69990 and 70007, than apply into the LCM equation.

GCF(69990,70007) = 1
LCM(69990,70007) = ( 69990 × 70007) / 1
LCM(69990,70007) = 4899789930 / 1
LCM(69990,70007) = 4899789930

Least Common Multiple (LCM) of 69990 and 70007 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 69990 and 70007. First we will calculate the prime factors of 69990 and 70007.

Prime Factorization of 69990

Prime Factorization of 70007

Now multiplying the highest exponent prime factors to calculate the LCM of 69990 and 70007.

LCM(69990,70007) = 2¹ × 3¹ × 5¹ × 2333¹ × 7¹ × 73¹ × 137¹
LCM(69990,70007) = 4899789930