GCF and LCM Calculator Logo

What is the Least Common Multiple of 74471 and 74490?

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 74471 and 74490 is 5547344790.

LCM(74471,74490) = 5547344790

LCM Calculator and
and

Least Common Multiple of 74471 and 74490 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 74471 and 74490, than apply into the LCM equation.

GCF(74471,74490) = 1
LCM(74471,74490) = ( 74471 × 74490) / 1
LCM(74471,74490) = 5547344790 / 1
LCM(74471,74490) = 5547344790

Least Common Multiple (LCM) of 74471 and 74490 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 74471 and 74490. First we will calculate the prime factors of 74471 and 74490.

Prime Factorization of 74471

Prime factors of 74471 are 74471. Prime factorization of 74471 in exponential form is:

74471 = 744711

Prime Factorization of 74490

Prime factors of 74490 are 2, 3, 5, 13, 191. Prime factorization of 74490 in exponential form is:

74490 = 21 × 31 × 51 × 131 × 1911

Now multiplying the highest exponent prime factors to calculate the LCM of 74471 and 74490.

LCM(74471,74490) = 744711 × 21 × 31 × 51 × 131 × 1911
LCM(74471,74490) = 5547344790