What is the Least Common Multiple of 89890 and 89908?

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 89890 and 89908 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 89890 and 89908, than apply into the LCM equation.

GCF(89890,89908) = 2
LCM(89890,89908) = ( 89890 × 89908) / 2
LCM(89890,89908) = 8081830120 / 2
LCM(89890,89908) = 4040915060

Least Common Multiple (LCM) of 89890 and 89908 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 89890 and 89908. First we will calculate the prime factors of 89890 and 89908.

Prime Factorization of 89890

Prime Factorization of 89908

Now multiplying the highest exponent prime factors to calculate the LCM of 89890 and 89908.

LCM(89890,89908) = 2² × 5¹ × 89¹ × 101¹ × 7¹ × 13² × 19¹
LCM(89890,89908) = 4040915060