What is the Least Common Multiple of 74281 and 74289?

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 74281 and 74289 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 74281 and 74289, than apply into the LCM equation.

GCF(74281,74289) = 1
LCM(74281,74289) = ( 74281 × 74289) / 1
LCM(74281,74289) = 5518261209 / 1
LCM(74281,74289) = 5518261209

Least Common Multiple (LCM) of 74281 and 74289 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 74281 and 74289. First we will calculate the prime factors of 74281 and 74289.

Prime Factorization of 74281

Prime Factorization of 74289

Now multiplying the highest exponent prime factors to calculate the LCM of 74281 and 74289.

LCM(74281,74289) = 59¹ × 1259¹ × 3¹ × 24763¹
LCM(74281,74289) = 5518261209