GCF and LCM Calculator Logo

What is the Least Common Multiple of 39931 and 39951?

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 (LCM) of 39931 and 39951 is 1595283381.

LCM(39931,39951) = 1595283381

LCM Calculator and
and

Least Common Multiple of 39931 and 39951 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 39931 and 39951, than apply into the LCM equation.

GCF(39931,39951) = 1
LCM(39931,39951) = ( 39931 × 39951) / 1
LCM(39931,39951) = 1595283381 / 1
LCM(39931,39951) = 1595283381

Least Common Multiple (LCM) of 39931 and 39951 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 39931 and 39951. First we will calculate the prime factors of 39931 and 39951.

Prime Factorization of 39931

Prime factors of 39931 are 73, 547. Prime factorization of 39931 in exponential form is:

39931 = 731 × 5471

Prime Factorization of 39951

Prime factors of 39951 are 3, 23, 193. Prime factorization of 39951 in exponential form is:

39951 = 32 × 231 × 1931

Now multiplying the highest exponent prime factors to calculate the LCM of 39931 and 39951.

LCM(39931,39951) = 731 × 5471 × 32 × 231 × 1931
LCM(39931,39951) = 1595283381