What is the Least Common Multiple of 71485 and 71505?

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 71485 and 71505 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 71485 and 71505, than apply into the LCM equation.

GCF(71485,71505) = 5
LCM(71485,71505) = ( 71485 × 71505) / 5
LCM(71485,71505) = 5111534925 / 5
LCM(71485,71505) = 1022306985

Least Common Multiple (LCM) of 71485 and 71505 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 71485 and 71505. First we will calculate the prime factors of 71485 and 71505.

Prime Factorization of 71485

Prime Factorization of 71505

Now multiplying the highest exponent prime factors to calculate the LCM of 71485 and 71505.

LCM(71485,71505) = 5¹ × 17¹ × 29² × 3² × 7¹ × 227¹
LCM(71485,71505) = 1022306985