What is the Least Common Multiple of 31790 and 31801?

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 31790 and 31801 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 31790 and 31801, than apply into the LCM equation.

GCF(31790,31801) = 11
LCM(31790,31801) = ( 31790 × 31801) / 11
LCM(31790,31801) = 1010953790 / 11
LCM(31790,31801) = 91904890

Least Common Multiple (LCM) of 31790 and 31801 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 31790 and 31801. First we will calculate the prime factors of 31790 and 31801.

Prime Factorization of 31790

Prime Factorization of 31801

Now multiplying the highest exponent prime factors to calculate the LCM of 31790 and 31801.

LCM(31790,31801) = 2¹ × 5¹ × 11¹ × 17² × 7² × 59¹
LCM(31790,31801) = 91904890