What is the Least Common Multiple of 3490 and 3506?

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 3490 and 3506 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 3490 and 3506, than apply into the LCM equation.

GCF(3490,3506) = 2
LCM(3490,3506) = ( 3490 × 3506) / 2
LCM(3490,3506) = 12235940 / 2
LCM(3490,3506) = 6117970

Least Common Multiple (LCM) of 3490 and 3506 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 3490 and 3506. First we will calculate the prime factors of 3490 and 3506.

Prime Factorization of 3490

Prime Factorization of 3506

Now multiplying the highest exponent prime factors to calculate the LCM of 3490 and 3506.

LCM(3490,3506) = 2¹ × 5¹ × 349¹ × 1753¹
LCM(3490,3506) = 6117970