What is the Least Common Multiple of 71172 and 71180?

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 71172 and 71180 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 71172 and 71180, than apply into the LCM equation.

GCF(71172,71180) = 4
LCM(71172,71180) = ( 71172 × 71180) / 4
LCM(71172,71180) = 5066022960 / 4
LCM(71172,71180) = 1266505740

Least Common Multiple (LCM) of 71172 and 71180 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 71172 and 71180. First we will calculate the prime factors of 71172 and 71180.

Prime Factorization of 71172

Prime Factorization of 71180

Now multiplying the highest exponent prime factors to calculate the LCM of 71172 and 71180.

LCM(71172,71180) = 2² × 3³ × 659¹ × 5¹ × 3559¹
LCM(71172,71180) = 1266505740