What is the Least Common Multiple of 56390 and 56402?

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 56390 and 56402 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 56390 and 56402, than apply into the LCM equation.

GCF(56390,56402) = 2
LCM(56390,56402) = ( 56390 × 56402) / 2
LCM(56390,56402) = 3180508780 / 2
LCM(56390,56402) = 1590254390

Least Common Multiple (LCM) of 56390 and 56402 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 56390 and 56402. First we will calculate the prime factors of 56390 and 56402.

Prime Factorization of 56390

Prime Factorization of 56402

Now multiplying the highest exponent prime factors to calculate the LCM of 56390 and 56402.

LCM(56390,56402) = 2¹ × 5¹ × 5639¹ × 28201¹
LCM(56390,56402) = 1590254390