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What is the Least Common Multiple of 1534 and 1550?

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 1534 and 1550 is 1188850.

LCM(1534,1550) = 1188850

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Least Common Multiple of 1534 and 1550 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 1534 and 1550, than apply into the LCM equation.

GCF(1534,1550) = 2
LCM(1534,1550) = ( 1534 × 1550) / 2
LCM(1534,1550) = 2377700 / 2
LCM(1534,1550) = 1188850

Least Common Multiple (LCM) of 1534 and 1550 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 1534 and 1550. First we will calculate the prime factors of 1534 and 1550.

Prime Factorization of 1534

Prime factors of 1534 are 2, 13, 59. Prime factorization of 1534 in exponential form is:

1534 = 21 × 131 × 591

Prime Factorization of 1550

Prime factors of 1550 are 2, 5, 31. Prime factorization of 1550 in exponential form is:

1550 = 21 × 52 × 311

Now multiplying the highest exponent prime factors to calculate the LCM of 1534 and 1550.

LCM(1534,1550) = 21 × 131 × 591 × 52 × 311
LCM(1534,1550) = 1188850