What is the Least Common Multiple of 4030 and 4042?

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 4030 and 4042 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 4030 and 4042, than apply into the LCM equation.

GCF(4030,4042) = 2
LCM(4030,4042) = ( 4030 × 4042) / 2
LCM(4030,4042) = 16289260 / 2
LCM(4030,4042) = 8144630

Least Common Multiple (LCM) of 4030 and 4042 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 4030 and 4042. First we will calculate the prime factors of 4030 and 4042.

Prime Factorization of 4030

Prime Factorization of 4042

Now multiplying the highest exponent prime factors to calculate the LCM of 4030 and 4042.

LCM(4030,4042) = 2¹ × 5¹ × 13¹ × 31¹ × 43¹ × 47¹
LCM(4030,4042) = 8144630