What is the Least Common Multiple of 66490 and 66497?

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 66490 and 66497 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 66490 and 66497, than apply into the LCM equation.

GCF(66490,66497) = 1
LCM(66490,66497) = ( 66490 × 66497) / 1
LCM(66490,66497) = 4421385530 / 1
LCM(66490,66497) = 4421385530

Least Common Multiple (LCM) of 66490 and 66497 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 66490 and 66497. First we will calculate the prime factors of 66490 and 66497.

Prime Factorization of 66490

Prime Factorization of 66497

Now multiplying the highest exponent prime factors to calculate the LCM of 66490 and 66497.

LCM(66490,66497) = 2¹ × 5¹ × 61¹ × 109¹ × 29¹ × 2293¹
LCM(66490,66497) = 4421385530