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What is the Least Common Multiple of 7042 and 7055?

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 7042 and 7055 is 49681310.

LCM(7042,7055) = 49681310

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Least Common Multiple of 7042 and 7055 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 7042 and 7055, than apply into the LCM equation.

GCF(7042,7055) = 1
LCM(7042,7055) = ( 7042 × 7055) / 1
LCM(7042,7055) = 49681310 / 1
LCM(7042,7055) = 49681310

Least Common Multiple (LCM) of 7042 and 7055 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 7042 and 7055. First we will calculate the prime factors of 7042 and 7055.

Prime Factorization of 7042

Prime factors of 7042 are 2, 7, 503. Prime factorization of 7042 in exponential form is:

7042 = 21 × 71 × 5031

Prime Factorization of 7055

Prime factors of 7055 are 5, 17, 83. Prime factorization of 7055 in exponential form is:

7055 = 51 × 171 × 831

Now multiplying the highest exponent prime factors to calculate the LCM of 7042 and 7055.

LCM(7042,7055) = 21 × 71 × 5031 × 51 × 171 × 831
LCM(7042,7055) = 49681310