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What is the Least Common Multiple of 74977 and 74991?

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 74977 and 74991 is 803228601.

LCM(74977,74991) = 803228601

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Least Common Multiple of 74977 and 74991 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 74977 and 74991, than apply into the LCM equation.

GCF(74977,74991) = 7
LCM(74977,74991) = ( 74977 × 74991) / 7
LCM(74977,74991) = 5622600207 / 7
LCM(74977,74991) = 803228601

Least Common Multiple (LCM) of 74977 and 74991 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 74977 and 74991. First we will calculate the prime factors of 74977 and 74991.

Prime Factorization of 74977

Prime factors of 74977 are 7, 10711. Prime factorization of 74977 in exponential form is:

74977 = 71 × 107111

Prime Factorization of 74991

Prime factors of 74991 are 3, 7, 3571. Prime factorization of 74991 in exponential form is:

74991 = 31 × 71 × 35711

Now multiplying the highest exponent prime factors to calculate the LCM of 74977 and 74991.

LCM(74977,74991) = 71 × 107111 × 31 × 35711
LCM(74977,74991) = 803228601