What is the Least Common Multiple of 71896 and 71915?

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 71896 and 71915 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 71896 and 71915, than apply into the LCM equation.

GCF(71896,71915) = 19
LCM(71896,71915) = ( 71896 × 71915) / 19
LCM(71896,71915) = 5170400840 / 19
LCM(71896,71915) = 272126360

Least Common Multiple (LCM) of 71896 and 71915 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 71896 and 71915. First we will calculate the prime factors of 71896 and 71915.

Prime Factorization of 71896

Prime Factorization of 71915

Now multiplying the highest exponent prime factors to calculate the LCM of 71896 and 71915.

LCM(71896,71915) = 2³ × 11¹ × 19¹ × 43¹ × 5¹ × 757¹
LCM(71896,71915) = 272126360