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What is the Least Common Multiple of 1030 and 1048?

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 1030 and 1048 is 539720.

LCM(1030,1048) = 539720

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Least Common Multiple of 1030 and 1048 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 1030 and 1048, than apply into the LCM equation.

GCF(1030,1048) = 2
LCM(1030,1048) = ( 1030 × 1048) / 2
LCM(1030,1048) = 1079440 / 2
LCM(1030,1048) = 539720

Least Common Multiple (LCM) of 1030 and 1048 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 1030 and 1048. First we will calculate the prime factors of 1030 and 1048.

Prime Factorization of 1030

Prime factors of 1030 are 2, 5, 103. Prime factorization of 1030 in exponential form is:

1030 = 21 × 51 × 1031

Prime Factorization of 1048

Prime factors of 1048 are 2, 131. Prime factorization of 1048 in exponential form is:

1048 = 23 × 1311

Now multiplying the highest exponent prime factors to calculate the LCM of 1030 and 1048.

LCM(1030,1048) = 23 × 51 × 1031 × 1311
LCM(1030,1048) = 539720