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What is the Least Common Multiple of 1064 and 1074?

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 1064 and 1074 is 571368.

LCM(1064,1074) = 571368

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Least Common Multiple of 1064 and 1074 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 1064 and 1074, than apply into the LCM equation.

GCF(1064,1074) = 2
LCM(1064,1074) = ( 1064 × 1074) / 2
LCM(1064,1074) = 1142736 / 2
LCM(1064,1074) = 571368

Least Common Multiple (LCM) of 1064 and 1074 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 1064 and 1074. First we will calculate the prime factors of 1064 and 1074.

Prime Factorization of 1064

Prime factors of 1064 are 2, 7, 19. Prime factorization of 1064 in exponential form is:

1064 = 23 × 71 × 191

Prime Factorization of 1074

Prime factors of 1074 are 2, 3, 179. Prime factorization of 1074 in exponential form is:

1074 = 21 × 31 × 1791

Now multiplying the highest exponent prime factors to calculate the LCM of 1064 and 1074.

LCM(1064,1074) = 23 × 71 × 191 × 31 × 1791
LCM(1064,1074) = 571368