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What is the Least Common Multiple of 74758 and 74770?

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 74758 and 74770 is 2794827830.

LCM(74758,74770) = 2794827830

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Least Common Multiple of 74758 and 74770 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 74758 and 74770, than apply into the LCM equation.

GCF(74758,74770) = 2
LCM(74758,74770) = ( 74758 × 74770) / 2
LCM(74758,74770) = 5589655660 / 2
LCM(74758,74770) = 2794827830

Least Common Multiple (LCM) of 74758 and 74770 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 74758 and 74770. First we will calculate the prime factors of 74758 and 74770.

Prime Factorization of 74758

Prime factors of 74758 are 2, 37379. Prime factorization of 74758 in exponential form is:

74758 = 21 × 373791

Prime Factorization of 74770

Prime factors of 74770 are 2, 5, 7477. Prime factorization of 74770 in exponential form is:

74770 = 21 × 51 × 74771

Now multiplying the highest exponent prime factors to calculate the LCM of 74758 and 74770.

LCM(74758,74770) = 21 × 373791 × 51 × 74771
LCM(74758,74770) = 2794827830