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What is the Least Common Multiple of 74802 and 74815?

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 74802 and 74815 is 430485510.

LCM(74802,74815) = 430485510

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Least Common Multiple of 74802 and 74815 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 74802 and 74815, than apply into the LCM equation.

GCF(74802,74815) = 13
LCM(74802,74815) = ( 74802 × 74815) / 13
LCM(74802,74815) = 5596311630 / 13
LCM(74802,74815) = 430485510

Least Common Multiple (LCM) of 74802 and 74815 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 74802 and 74815. First we will calculate the prime factors of 74802 and 74815.

Prime Factorization of 74802

Prime factors of 74802 are 2, 3, 7, 13, 137. Prime factorization of 74802 in exponential form is:

74802 = 21 × 31 × 71 × 131 × 1371

Prime Factorization of 74815

Prime factors of 74815 are 5, 13, 1151. Prime factorization of 74815 in exponential form is:

74815 = 51 × 131 × 11511

Now multiplying the highest exponent prime factors to calculate the LCM of 74802 and 74815.

LCM(74802,74815) = 21 × 31 × 71 × 131 × 1371 × 51 × 11511
LCM(74802,74815) = 430485510