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What is the Least Common Multiple of 40942 and 40956?

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 40942 and 40956 is 838410276.

LCM(40942,40956) = 838410276

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Least Common Multiple of 40942 and 40956 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 40942 and 40956, than apply into the LCM equation.

GCF(40942,40956) = 2
LCM(40942,40956) = ( 40942 × 40956) / 2
LCM(40942,40956) = 1676820552 / 2
LCM(40942,40956) = 838410276

Least Common Multiple (LCM) of 40942 and 40956 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 40942 and 40956. First we will calculate the prime factors of 40942 and 40956.

Prime Factorization of 40942

Prime factors of 40942 are 2, 11, 1861. Prime factorization of 40942 in exponential form is:

40942 = 21 × 111 × 18611

Prime Factorization of 40956

Prime factors of 40956 are 2, 3, 3413. Prime factorization of 40956 in exponential form is:

40956 = 22 × 31 × 34131

Now multiplying the highest exponent prime factors to calculate the LCM of 40942 and 40956.

LCM(40942,40956) = 22 × 111 × 18611 × 31 × 34131
LCM(40942,40956) = 838410276