What is the Least Common Multiple of 70398 and 70402?

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 70398 and 70402 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 70398 and 70402, than apply into the LCM equation.

GCF(70398,70402) = 2
LCM(70398,70402) = ( 70398 × 70402) / 2
LCM(70398,70402) = 4956159996 / 2
LCM(70398,70402) = 2478079998

Least Common Multiple (LCM) of 70398 and 70402 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 70398 and 70402. First we will calculate the prime factors of 70398 and 70402.

Prime Factorization of 70398

Prime Factorization of 70402

Now multiplying the highest exponent prime factors to calculate the LCM of 70398 and 70402.

LCM(70398,70402) = 2¹ × 3² × 3911¹ × 35201¹
LCM(70398,70402) = 2478079998