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What is the Least Common Multiple of 1053 and 1072?

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 1053 and 1072 is 1128816.

LCM(1053,1072) = 1128816

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Least Common Multiple of 1053 and 1072 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 1053 and 1072, than apply into the LCM equation.

GCF(1053,1072) = 1
LCM(1053,1072) = ( 1053 × 1072) / 1
LCM(1053,1072) = 1128816 / 1
LCM(1053,1072) = 1128816

Least Common Multiple (LCM) of 1053 and 1072 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 1053 and 1072. First we will calculate the prime factors of 1053 and 1072.

Prime Factorization of 1053

Prime factors of 1053 are 3, 13. Prime factorization of 1053 in exponential form is:

1053 = 34 × 131

Prime Factorization of 1072

Prime factors of 1072 are 2, 67. Prime factorization of 1072 in exponential form is:

1072 = 24 × 671

Now multiplying the highest exponent prime factors to calculate the LCM of 1053 and 1072.

LCM(1053,1072) = 34 × 131 × 24 × 671
LCM(1053,1072) = 1128816