What is the Least Common Multiple of 3430 and 3436?

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 3430 and 3436 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 3430 and 3436, than apply into the LCM equation.

GCF(3430,3436) = 2
LCM(3430,3436) = ( 3430 × 3436) / 2
LCM(3430,3436) = 11785480 / 2
LCM(3430,3436) = 5892740

Least Common Multiple (LCM) of 3430 and 3436 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 3430 and 3436. First we will calculate the prime factors of 3430 and 3436.

Prime Factorization of 3430

Prime Factorization of 3436

Now multiplying the highest exponent prime factors to calculate the LCM of 3430 and 3436.

LCM(3430,3436) = 2² × 5¹ × 7³ × 859¹
LCM(3430,3436) = 5892740