What is the Least Common Multiple of 3478 and 3485?

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 3478 and 3485 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 3478 and 3485, than apply into the LCM equation.

GCF(3478,3485) = 1
LCM(3478,3485) = ( 3478 × 3485) / 1
LCM(3478,3485) = 12120830 / 1
LCM(3478,3485) = 12120830

Least Common Multiple (LCM) of 3478 and 3485 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 3478 and 3485. First we will calculate the prime factors of 3478 and 3485.

Prime Factorization of 3478

Prime Factorization of 3485

Now multiplying the highest exponent prime factors to calculate the LCM of 3478 and 3485.

LCM(3478,3485) = 2¹ × 37¹ × 47¹ × 5¹ × 17¹ × 41¹
LCM(3478,3485) = 12120830