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What is the Least Common Multiple of 47402 and 47422?

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 47402 and 47422 is 1123948822.

LCM(47402,47422) = 1123948822

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Least Common Multiple of 47402 and 47422 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 47402 and 47422, than apply into the LCM equation.

GCF(47402,47422) = 2
LCM(47402,47422) = ( 47402 × 47422) / 2
LCM(47402,47422) = 2247897644 / 2
LCM(47402,47422) = 1123948822

Least Common Multiple (LCM) of 47402 and 47422 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 47402 and 47422. First we will calculate the prime factors of 47402 and 47422.

Prime Factorization of 47402

Prime factors of 47402 are 2, 137, 173. Prime factorization of 47402 in exponential form is:

47402 = 21 × 1371 × 1731

Prime Factorization of 47422

Prime factors of 47422 are 2, 131, 181. Prime factorization of 47422 in exponential form is:

47422 = 21 × 1311 × 1811

Now multiplying the highest exponent prime factors to calculate the LCM of 47402 and 47422.

LCM(47402,47422) = 21 × 1371 × 1731 × 1311 × 1811
LCM(47402,47422) = 1123948822