GCF and LCM Calculator Logo

What is the Least Common Multiple of 69158 and 69170?

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 (LCM) of 69158 and 69170 is 2391829430.

LCM(69158,69170) = 2391829430

LCM Calculator and
and

Least Common Multiple of 69158 and 69170 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 69158 and 69170, than apply into the LCM equation.

GCF(69158,69170) = 2
LCM(69158,69170) = ( 69158 × 69170) / 2
LCM(69158,69170) = 4783658860 / 2
LCM(69158,69170) = 2391829430

Least Common Multiple (LCM) of 69158 and 69170 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 69158 and 69170. First we will calculate the prime factors of 69158 and 69170.

Prime Factorization of 69158

Prime factors of 69158 are 2, 151, 229. Prime factorization of 69158 in exponential form is:

69158 = 21 × 1511 × 2291

Prime Factorization of 69170

Prime factors of 69170 are 2, 5, 6917. Prime factorization of 69170 in exponential form is:

69170 = 21 × 51 × 69171

Now multiplying the highest exponent prime factors to calculate the LCM of 69158 and 69170.

LCM(69158,69170) = 21 × 1511 × 2291 × 51 × 69171
LCM(69158,69170) = 2391829430