What is the Least Common Multiple of 71040 and 71048?

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 71040 and 71048 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 71040 and 71048, than apply into the LCM equation.

GCF(71040,71048) = 8
LCM(71040,71048) = ( 71040 × 71048) / 8
LCM(71040,71048) = 5047249920 / 8
LCM(71040,71048) = 630906240

Least Common Multiple (LCM) of 71040 and 71048 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 71040 and 71048. First we will calculate the prime factors of 71040 and 71048.

Prime Factorization of 71040

Prime Factorization of 71048

Now multiplying the highest exponent prime factors to calculate the LCM of 71040 and 71048.

LCM(71040,71048) = 2⁷ × 3¹ × 5¹ × 37¹ × 83¹ × 107¹
LCM(71040,71048) = 630906240