What is the Least Common Multiple of 87136 and 87142?

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 87136 and 87142 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 87136 and 87142, than apply into the LCM equation.

GCF(87136,87142) = 2
LCM(87136,87142) = ( 87136 × 87142) / 2
LCM(87136,87142) = 7593205312 / 2
LCM(87136,87142) = 3796602656

Least Common Multiple (LCM) of 87136 and 87142 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 87136 and 87142. First we will calculate the prime factors of 87136 and 87142.

Prime Factorization of 87136

Prime Factorization of 87142

Now multiplying the highest exponent prime factors to calculate the LCM of 87136 and 87142.

LCM(87136,87142) = 2⁵ × 7¹ × 389¹ × 11¹ × 17¹ × 233¹
LCM(87136,87142) = 3796602656