GCF and LCM Calculator Logo

What is the Least Common Multiple of 42746 and 42760?

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 42746 and 42760 is 913909480.

LCM(42746,42760) = 913909480

LCM Calculator and
and

Least Common Multiple of 42746 and 42760 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 42746 and 42760, than apply into the LCM equation.

GCF(42746,42760) = 2
LCM(42746,42760) = ( 42746 × 42760) / 2
LCM(42746,42760) = 1827818960 / 2
LCM(42746,42760) = 913909480

Least Common Multiple (LCM) of 42746 and 42760 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 42746 and 42760. First we will calculate the prime factors of 42746 and 42760.

Prime Factorization of 42746

Prime factors of 42746 are 2, 11, 29, 67. Prime factorization of 42746 in exponential form is:

42746 = 21 × 111 × 291 × 671

Prime Factorization of 42760

Prime factors of 42760 are 2, 5, 1069. Prime factorization of 42760 in exponential form is:

42760 = 23 × 51 × 10691

Now multiplying the highest exponent prime factors to calculate the LCM of 42746 and 42760.

LCM(42746,42760) = 23 × 111 × 291 × 671 × 51 × 10691
LCM(42746,42760) = 913909480