What is the Least Common Multiple of 70105 and 70115?

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 70105 and 70115 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 70105 and 70115, than apply into the LCM equation.

GCF(70105,70115) = 5
LCM(70105,70115) = ( 70105 × 70115) / 5
LCM(70105,70115) = 4915412075 / 5
LCM(70105,70115) = 983082415

Least Common Multiple (LCM) of 70105 and 70115 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 70105 and 70115. First we will calculate the prime factors of 70105 and 70115.

Prime Factorization of 70105

Prime Factorization of 70115

Now multiplying the highest exponent prime factors to calculate the LCM of 70105 and 70115.

LCM(70105,70115) = 5¹ × 7¹ × 2003¹ × 37¹ × 379¹
LCM(70105,70115) = 983082415