What is the Least Common Multiple of 30998 and 31009?

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 30998 and 31009 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 30998 and 31009, than apply into the LCM equation.

GCF(30998,31009) = 11
LCM(30998,31009) = ( 30998 × 31009) / 11
LCM(30998,31009) = 961216982 / 11
LCM(30998,31009) = 87383362

Least Common Multiple (LCM) of 30998 and 31009 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 30998 and 31009. First we will calculate the prime factors of 30998 and 31009.

Prime Factorization of 30998

Prime Factorization of 31009

Now multiplying the highest exponent prime factors to calculate the LCM of 30998 and 31009.

LCM(30998,31009) = 2¹ × 11¹ × 1409¹ × 2819¹
LCM(30998,31009) = 87383362