What is the Least Common Multiple of 74105 and 74109?

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 74105 and 74109 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 74105 and 74109, than apply into the LCM equation.

GCF(74105,74109) = 1
LCM(74105,74109) = ( 74105 × 74109) / 1
LCM(74105,74109) = 5491847445 / 1
LCM(74105,74109) = 5491847445

Least Common Multiple (LCM) of 74105 and 74109 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 74105 and 74109. First we will calculate the prime factors of 74105 and 74109.

Prime Factorization of 74105

Prime Factorization of 74109

Now multiplying the highest exponent prime factors to calculate the LCM of 74105 and 74109.

LCM(74105,74109) = 5¹ × 14821¹ × 3¹ × 7¹ × 3529¹
LCM(74105,74109) = 5491847445