GCF and LCM Calculator Logo

What is the Least Common Multiple of 42374 and 42388?

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 42374 and 42388 is 898074556.

LCM(42374,42388) = 898074556

LCM Calculator and
and

Least Common Multiple of 42374 and 42388 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 42374 and 42388, than apply into the LCM equation.

GCF(42374,42388) = 2
LCM(42374,42388) = ( 42374 × 42388) / 2
LCM(42374,42388) = 1796149112 / 2
LCM(42374,42388) = 898074556

Least Common Multiple (LCM) of 42374 and 42388 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 42374 and 42388. First we will calculate the prime factors of 42374 and 42388.

Prime Factorization of 42374

Prime factors of 42374 are 2, 21187. Prime factorization of 42374 in exponential form is:

42374 = 21 × 211871

Prime Factorization of 42388

Prime factors of 42388 are 2, 10597. Prime factorization of 42388 in exponential form is:

42388 = 22 × 105971

Now multiplying the highest exponent prime factors to calculate the LCM of 42374 and 42388.

LCM(42374,42388) = 22 × 211871 × 105971
LCM(42374,42388) = 898074556