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What is the Least Common Multiple of 1025 and 1042?

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 1025 and 1042 is 1068050.

LCM(1025,1042) = 1068050

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Least Common Multiple of 1025 and 1042 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 1025 and 1042, than apply into the LCM equation.

GCF(1025,1042) = 1
LCM(1025,1042) = ( 1025 × 1042) / 1
LCM(1025,1042) = 1068050 / 1
LCM(1025,1042) = 1068050

Least Common Multiple (LCM) of 1025 and 1042 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 1025 and 1042. First we will calculate the prime factors of 1025 and 1042.

Prime Factorization of 1025

Prime factors of 1025 are 5, 41. Prime factorization of 1025 in exponential form is:

1025 = 52 × 411

Prime Factorization of 1042

Prime factors of 1042 are 2, 521. Prime factorization of 1042 in exponential form is:

1042 = 21 × 5211

Now multiplying the highest exponent prime factors to calculate the LCM of 1025 and 1042.

LCM(1025,1042) = 52 × 411 × 21 × 5211
LCM(1025,1042) = 1068050