What is the Least Common Multiple of 69638 and 69642?

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 69638 and 69642 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 69638 and 69642, than apply into the LCM equation.

GCF(69638,69642) = 2
LCM(69638,69642) = ( 69638 × 69642) / 2
LCM(69638,69642) = 4849729596 / 2
LCM(69638,69642) = 2424864798

Least Common Multiple (LCM) of 69638 and 69642 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 69638 and 69642. First we will calculate the prime factors of 69638 and 69642.

Prime Factorization of 69638

Prime Factorization of 69642

Now multiplying the highest exponent prime factors to calculate the LCM of 69638 and 69642.

LCM(69638,69642) = 2¹ × 34819¹ × 3² × 53¹ × 73¹
LCM(69638,69642) = 2424864798