What is the Least Common Multiple of 71120 and 71129?

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 71120 and 71129 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 71120 and 71129, than apply into the LCM equation.

GCF(71120,71129) = 1
LCM(71120,71129) = ( 71120 × 71129) / 1
LCM(71120,71129) = 5058694480 / 1
LCM(71120,71129) = 5058694480

Least Common Multiple (LCM) of 71120 and 71129 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 71120 and 71129. First we will calculate the prime factors of 71120 and 71129.

Prime Factorization of 71120

Prime Factorization of 71129

Now multiplying the highest exponent prime factors to calculate the LCM of 71120 and 71129.

LCM(71120,71129) = 2⁴ × 5¹ × 7¹ × 127¹ × 71129¹
LCM(71120,71129) = 5058694480