What is the Least Common Multiple of 98870 and 98890?

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 98870 and 98890 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 98870 and 98890, than apply into the LCM equation.

GCF(98870,98890) = 10
LCM(98870,98890) = ( 98870 × 98890) / 10
LCM(98870,98890) = 9777254300 / 10
LCM(98870,98890) = 977725430

Least Common Multiple (LCM) of 98870 and 98890 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 98870 and 98890. First we will calculate the prime factors of 98870 and 98890.

Prime Factorization of 98870

Prime Factorization of 98890

Now multiplying the highest exponent prime factors to calculate the LCM of 98870 and 98890.

LCM(98870,98890) = 2¹ × 5¹ × 9887¹ × 11¹ × 29¹ × 31¹
LCM(98870,98890) = 977725430