What is the Least Common Multiple of 71105 and 71115?

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 71105 and 71115 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 71105 and 71115, than apply into the LCM equation.

GCF(71105,71115) = 5
LCM(71105,71115) = ( 71105 × 71115) / 5
LCM(71105,71115) = 5056632075 / 5
LCM(71105,71115) = 1011326415

Least Common Multiple (LCM) of 71105 and 71115 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 71105 and 71115. First we will calculate the prime factors of 71105 and 71115.

Prime Factorization of 71105

Prime Factorization of 71115

Now multiplying the highest exponent prime factors to calculate the LCM of 71105 and 71115.

LCM(71105,71115) = 5¹ × 14221¹ × 3¹ × 11¹ × 431¹
LCM(71105,71115) = 1011326415