What is the Least Common Multiple of 42388 and 42402?

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 42388 and 42402 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 42388 and 42402, than apply into the LCM equation.

GCF(42388,42402) = 2
LCM(42388,42402) = ( 42388 × 42402) / 2
LCM(42388,42402) = 1797335976 / 2
LCM(42388,42402) = 898667988

Least Common Multiple (LCM) of 42388 and 42402 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 42388 and 42402. First we will calculate the prime factors of 42388 and 42402.

Prime Factorization of 42388

Prime Factorization of 42402

Now multiplying the highest exponent prime factors to calculate the LCM of 42388 and 42402.

LCM(42388,42402) = 2² × 10597¹ × 3¹ × 37¹ × 191¹
LCM(42388,42402) = 898667988