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What is the Least Common Multiple of 7042 and 7061?

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 7061 is 49723562.

LCM(7042,7061) = 49723562

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Least Common Multiple of 7042 and 7061 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 7061, than apply into the LCM equation.

GCF(7042,7061) = 1
LCM(7042,7061) = ( 7042 × 7061) / 1
LCM(7042,7061) = 49723562 / 1
LCM(7042,7061) = 49723562

Least Common Multiple (LCM) of 7042 and 7061 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 7042 and 7061. First we will calculate the prime factors of 7042 and 7061.

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 7061

Prime factors of 7061 are 23, 307. Prime factorization of 7061 in exponential form is:

7061 = 231 × 3071

Now multiplying the highest exponent prime factors to calculate the LCM of 7042 and 7061.

LCM(7042,7061) = 21 × 71 × 5031 × 231 × 3071
LCM(7042,7061) = 49723562