What is the Least Common Multiple of 3445 and 3458?

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 3445 and 3458 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 3445 and 3458, than apply into the LCM equation.

GCF(3445,3458) = 13
LCM(3445,3458) = ( 3445 × 3458) / 13
LCM(3445,3458) = 11912810 / 13
LCM(3445,3458) = 916370

Least Common Multiple (LCM) of 3445 and 3458 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 3445 and 3458. First we will calculate the prime factors of 3445 and 3458.

Prime Factorization of 3445

Prime Factorization of 3458

Now multiplying the highest exponent prime factors to calculate the LCM of 3445 and 3458.

LCM(3445,3458) = 5¹ × 13¹ × 53¹ × 2¹ × 7¹ × 19¹
LCM(3445,3458) = 916370