GCF and LCM Calculator Logo

What is the Least Common Multiple of 42477 and 42490?

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 42477 and 42490 is 1804847730.

LCM(42477,42490) = 1804847730

LCM Calculator and
and

Least Common Multiple of 42477 and 42490 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 42477 and 42490, than apply into the LCM equation.

GCF(42477,42490) = 1
LCM(42477,42490) = ( 42477 × 42490) / 1
LCM(42477,42490) = 1804847730 / 1
LCM(42477,42490) = 1804847730

Least Common Multiple (LCM) of 42477 and 42490 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 42477 and 42490. First we will calculate the prime factors of 42477 and 42490.

Prime Factorization of 42477

Prime factors of 42477 are 3, 14159. Prime factorization of 42477 in exponential form is:

42477 = 31 × 141591

Prime Factorization of 42490

Prime factors of 42490 are 2, 5, 7, 607. Prime factorization of 42490 in exponential form is:

42490 = 21 × 51 × 71 × 6071

Now multiplying the highest exponent prime factors to calculate the LCM of 42477 and 42490.

LCM(42477,42490) = 31 × 141591 × 21 × 51 × 71 × 6071
LCM(42477,42490) = 1804847730