What is the Least Common Multiple of 71261 and 71270?

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 71261 and 71270 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 71261 and 71270, than apply into the LCM equation.

GCF(71261,71270) = 1
LCM(71261,71270) = ( 71261 × 71270) / 1
LCM(71261,71270) = 5078771470 / 1
LCM(71261,71270) = 5078771470

Least Common Multiple (LCM) of 71261 and 71270 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 71261 and 71270. First we will calculate the prime factors of 71261 and 71270.

Prime Factorization of 71261

Prime Factorization of 71270

Now multiplying the highest exponent prime factors to calculate the LCM of 71261 and 71270.

LCM(71261,71270) = 71261¹ × 2¹ × 5¹ × 7127¹
LCM(71261,71270) = 5078771470