What is the Least Common Multiple of 74942 and 74956?

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 74942 and 74956 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 74942 and 74956, than apply into the LCM equation.

GCF(74942,74956) = 14
LCM(74942,74956) = ( 74942 × 74956) / 14
LCM(74942,74956) = 5617352552 / 14
LCM(74942,74956) = 401239468

Least Common Multiple (LCM) of 74942 and 74956 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 74942 and 74956. First we will calculate the prime factors of 74942 and 74956.

Prime Factorization of 74942

Prime Factorization of 74956

Now multiplying the highest exponent prime factors to calculate the LCM of 74942 and 74956.

LCM(74942,74956) = 2² × 7¹ × 53¹ × 101¹ × 2677¹
LCM(74942,74956) = 401239468