What is the Least Common Multiple of 69142 and 69160?

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 69142 and 69160 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 69142 and 69160, than apply into the LCM equation.

GCF(69142,69160) = 2
LCM(69142,69160) = ( 69142 × 69160) / 2
LCM(69142,69160) = 4781860720 / 2
LCM(69142,69160) = 2390930360

Least Common Multiple (LCM) of 69142 and 69160 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 69142 and 69160. First we will calculate the prime factors of 69142 and 69160.

Prime Factorization of 69142

Prime Factorization of 69160

Now multiplying the highest exponent prime factors to calculate the LCM of 69142 and 69160.

LCM(69142,69160) = 2³ × 181¹ × 191¹ × 5¹ × 7¹ × 13¹ × 19¹
LCM(69142,69160) = 2390930360