What is the Least Common Multiple of 71657 and 71671?

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 71657 and 71671 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 71657 and 71671, than apply into the LCM equation.

GCF(71657,71671) = 1
LCM(71657,71671) = ( 71657 × 71671) / 1
LCM(71657,71671) = 5135728847 / 1
LCM(71657,71671) = 5135728847

Least Common Multiple (LCM) of 71657 and 71671 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 71657 and 71671. First we will calculate the prime factors of 71657 and 71671.

Prime Factorization of 71657

Prime Factorization of 71671

Now multiplying the highest exponent prime factors to calculate the LCM of 71657 and 71671.

LCM(71657,71671) = 131¹ × 547¹ × 71671¹
LCM(71657,71671) = 5135728847