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What is the Least Common Multiple of 1362 and 1372?

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 1362 and 1372 is 934332.

LCM(1362,1372) = 934332

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Least Common Multiple of 1362 and 1372 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 1362 and 1372, than apply into the LCM equation.

GCF(1362,1372) = 2
LCM(1362,1372) = ( 1362 × 1372) / 2
LCM(1362,1372) = 1868664 / 2
LCM(1362,1372) = 934332

Least Common Multiple (LCM) of 1362 and 1372 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 1362 and 1372. First we will calculate the prime factors of 1362 and 1372.

Prime Factorization of 1362

Prime factors of 1362 are 2, 3, 227. Prime factorization of 1362 in exponential form is:

1362 = 21 × 31 × 2271

Prime Factorization of 1372

Prime factors of 1372 are 2, 7. Prime factorization of 1372 in exponential form is:

1372 = 22 × 73

Now multiplying the highest exponent prime factors to calculate the LCM of 1362 and 1372.

LCM(1362,1372) = 22 × 31 × 2271 × 73
LCM(1362,1372) = 934332