What is the Least Common Multiple of 1042 and 1046?

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 1042 and 1046 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 1042 and 1046, than apply into the LCM equation.

GCF(1042,1046) = 2
LCM(1042,1046) = ( 1042 × 1046) / 2
LCM(1042,1046) = 1089932 / 2
LCM(1042,1046) = 544966

Least Common Multiple (LCM) of 1042 and 1046 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 1042 and 1046. First we will calculate the prime factors of 1042 and 1046.

Prime Factorization of 1042

Prime Factorization of 1046

Now multiplying the highest exponent prime factors to calculate the LCM of 1042 and 1046.

LCM(1042,1046) = 2¹ × 521¹ × 523¹
LCM(1042,1046) = 544966