What is the Least Common Multiple of 49870 and 49890?

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 49870 and 49890 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 49870 and 49890, than apply into the LCM equation.

GCF(49870,49890) = 10
LCM(49870,49890) = ( 49870 × 49890) / 10
LCM(49870,49890) = 2488014300 / 10
LCM(49870,49890) = 248801430

Least Common Multiple (LCM) of 49870 and 49890 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 49870 and 49890. First we will calculate the prime factors of 49870 and 49890.

Prime Factorization of 49870

Prime Factorization of 49890

Now multiplying the highest exponent prime factors to calculate the LCM of 49870 and 49890.

LCM(49870,49890) = 2¹ × 5¹ × 4987¹ × 3¹ × 1663¹
LCM(49870,49890) = 248801430