What is the Least Common Multiple of 42374 and 42382?

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 of 42374 and 42382 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 42382, than apply into the LCM equation.

GCF(42374,42382) = 2
LCM(42374,42382) = ( 42374 × 42382) / 2
LCM(42374,42382) = 1795894868 / 2
LCM(42374,42382) = 897947434

Least Common Multiple (LCM) of 42374 and 42382 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 42374 and 42382. First we will calculate the prime factors of 42374 and 42382.

Prime Factorization of 42374

Prime Factorization of 42382

Now multiplying the highest exponent prime factors to calculate the LCM of 42374 and 42382.

LCM(42374,42382) = 2¹ × 21187¹ × 21191¹
LCM(42374,42382) = 897947434