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What is the Least Common Multiple of 40722 and 40742?

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 40722 and 40742 is 829547862.

LCM(40722,40742) = 829547862

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Least Common Multiple of 40722 and 40742 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 40722 and 40742, than apply into the LCM equation.

GCF(40722,40742) = 2
LCM(40722,40742) = ( 40722 × 40742) / 2
LCM(40722,40742) = 1659095724 / 2
LCM(40722,40742) = 829547862

Least Common Multiple (LCM) of 40722 and 40742 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 40722 and 40742. First we will calculate the prime factors of 40722 and 40742.

Prime Factorization of 40722

Prime factors of 40722 are 2, 3, 11, 617. Prime factorization of 40722 in exponential form is:

40722 = 21 × 31 × 111 × 6171

Prime Factorization of 40742

Prime factors of 40742 are 2, 13, 1567. Prime factorization of 40742 in exponential form is:

40742 = 21 × 131 × 15671

Now multiplying the highest exponent prime factors to calculate the LCM of 40722 and 40742.

LCM(40722,40742) = 21 × 31 × 111 × 6171 × 131 × 15671
LCM(40722,40742) = 829547862