What is the Least Common Multiple of 10642 and 10654?

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 10642 and 10654 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 10642 and 10654, than apply into the LCM equation.

GCF(10642,10654) = 2
LCM(10642,10654) = ( 10642 × 10654) / 2
LCM(10642,10654) = 113379868 / 2
LCM(10642,10654) = 56689934

Least Common Multiple (LCM) of 10642 and 10654 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 10642 and 10654. First we will calculate the prime factors of 10642 and 10654.

Prime Factorization of 10642

Prime Factorization of 10654

Now multiplying the highest exponent prime factors to calculate the LCM of 10642 and 10654.

LCM(10642,10654) = 2¹ × 17¹ × 313¹ × 7¹ × 761¹
LCM(10642,10654) = 56689934