What is the Least Common Multiple of 66290 and 66298?

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 66290 and 66298 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 66290 and 66298, than apply into the LCM equation.

GCF(66290,66298) = 2
LCM(66290,66298) = ( 66290 × 66298) / 2
LCM(66290,66298) = 4394894420 / 2
LCM(66290,66298) = 2197447210

Least Common Multiple (LCM) of 66290 and 66298 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 66290 and 66298. First we will calculate the prime factors of 66290 and 66298.

Prime Factorization of 66290

Prime Factorization of 66298

Now multiplying the highest exponent prime factors to calculate the LCM of 66290 and 66298.

LCM(66290,66298) = 2¹ × 5¹ × 7¹ × 947¹ × 33149¹
LCM(66290,66298) = 2197447210