What is the Least Common Multiple of 71518 and 71522?

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 71518 and 71522 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 71518 and 71522, than apply into the LCM equation.

GCF(71518,71522) = 2
LCM(71518,71522) = ( 71518 × 71522) / 2
LCM(71518,71522) = 5115110396 / 2
LCM(71518,71522) = 2557555198

Least Common Multiple (LCM) of 71518 and 71522 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 71518 and 71522. First we will calculate the prime factors of 71518 and 71522.

Prime Factorization of 71518

Prime Factorization of 71522

Now multiplying the highest exponent prime factors to calculate the LCM of 71518 and 71522.

LCM(71518,71522) = 2¹ × 35759¹ × 11¹ × 3251¹
LCM(71518,71522) = 2557555198