What is the Least Common Multiple of 15788 and 15802?

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 15788 and 15802 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 15788 and 15802, than apply into the LCM equation.

GCF(15788,15802) = 2
LCM(15788,15802) = ( 15788 × 15802) / 2
LCM(15788,15802) = 249481976 / 2
LCM(15788,15802) = 124740988

Least Common Multiple (LCM) of 15788 and 15802 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 15788 and 15802. First we will calculate the prime factors of 15788 and 15802.

Prime Factorization of 15788

Prime Factorization of 15802

Now multiplying the highest exponent prime factors to calculate the LCM of 15788 and 15802.

LCM(15788,15802) = 2² × 3947¹ × 7901¹
LCM(15788,15802) = 124740988