What is the Least Common Multiple of 10070 and 10090?

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 10070 and 10090 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 10070 and 10090, than apply into the LCM equation.

GCF(10070,10090) = 10
LCM(10070,10090) = ( 10070 × 10090) / 10
LCM(10070,10090) = 101606300 / 10
LCM(10070,10090) = 10160630

Least Common Multiple (LCM) of 10070 and 10090 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 10070 and 10090. First we will calculate the prime factors of 10070 and 10090.

Prime Factorization of 10070

Prime Factorization of 10090

Now multiplying the highest exponent prime factors to calculate the LCM of 10070 and 10090.

LCM(10070,10090) = 2¹ × 5¹ × 19¹ × 53¹ × 1009¹
LCM(10070,10090) = 10160630