What is the Least Common Multiple of 31958 and 31964?

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 31958 and 31964 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 31958 and 31964, than apply into the LCM equation.

GCF(31958,31964) = 2
LCM(31958,31964) = ( 31958 × 31964) / 2
LCM(31958,31964) = 1021505512 / 2
LCM(31958,31964) = 510752756

Least Common Multiple (LCM) of 31958 and 31964 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 31958 and 31964. First we will calculate the prime factors of 31958 and 31964.

Prime Factorization of 31958

Prime Factorization of 31964

Now multiplying the highest exponent prime factors to calculate the LCM of 31958 and 31964.

LCM(31958,31964) = 2² × 19¹ × 29² × 61¹ × 131¹
LCM(31958,31964) = 510752756