GCF and LCM Calculator Logo

What is the Least Common Multiple of 42749 and 42766?

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 42749 and 42766 is 1828203734.

LCM(42749,42766) = 1828203734

LCM Calculator and
and

Least Common Multiple of 42749 and 42766 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 42749 and 42766, than apply into the LCM equation.

GCF(42749,42766) = 1
LCM(42749,42766) = ( 42749 × 42766) / 1
LCM(42749,42766) = 1828203734 / 1
LCM(42749,42766) = 1828203734

Least Common Multiple (LCM) of 42749 and 42766 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 42749 and 42766. First we will calculate the prime factors of 42749 and 42766.

Prime Factorization of 42749

Prime factors of 42749 are 7, 31, 197. Prime factorization of 42749 in exponential form is:

42749 = 71 × 311 × 1971

Prime Factorization of 42766

Prime factors of 42766 are 2, 21383. Prime factorization of 42766 in exponential form is:

42766 = 21 × 213831

Now multiplying the highest exponent prime factors to calculate the LCM of 42749 and 42766.

LCM(42749,42766) = 71 × 311 × 1971 × 21 × 213831
LCM(42749,42766) = 1828203734