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What is the Least Common Multiple of 53709 and 53720?

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 53709 and 53720 is 2885247480.

LCM(53709,53720) = 2885247480

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Least Common Multiple of 53709 and 53720 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 53709 and 53720, than apply into the LCM equation.

GCF(53709,53720) = 1
LCM(53709,53720) = ( 53709 × 53720) / 1
LCM(53709,53720) = 2885247480 / 1
LCM(53709,53720) = 2885247480

Least Common Multiple (LCM) of 53709 and 53720 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 53709 and 53720. First we will calculate the prime factors of 53709 and 53720.

Prime Factorization of 53709

Prime factors of 53709 are 3, 17903. Prime factorization of 53709 in exponential form is:

53709 = 31 × 179031

Prime Factorization of 53720

Prime factors of 53720 are 2, 5, 17, 79. Prime factorization of 53720 in exponential form is:

53720 = 23 × 51 × 171 × 791

Now multiplying the highest exponent prime factors to calculate the LCM of 53709 and 53720.

LCM(53709,53720) = 31 × 179031 × 23 × 51 × 171 × 791
LCM(53709,53720) = 2885247480