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What is the Least Common Multiple of 422 and 437?

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 422 and 437 is 184414.

LCM(422,437) = 184414

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Least Common Multiple of 422 and 437 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 422 and 437, than apply into the LCM equation.

GCF(422,437) = 1
LCM(422,437) = ( 422 × 437) / 1
LCM(422,437) = 184414 / 1
LCM(422,437) = 184414

Least Common Multiple (LCM) of 422 and 437 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 422 and 437. First we will calculate the prime factors of 422 and 437.

Prime Factorization of 422

Prime factors of 422 are 2, 211. Prime factorization of 422 in exponential form is:

422 = 21 × 2111

Prime Factorization of 437

Prime factors of 437 are 19, 23. Prime factorization of 437 in exponential form is:

437 = 191 × 231

Now multiplying the highest exponent prime factors to calculate the LCM of 422 and 437.

LCM(422,437) = 21 × 2111 × 191 × 231
LCM(422,437) = 184414