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What is the Least Common Multiple of 74942 and 74949?

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 74942 and 74949 is 802403994.

LCM(74942,74949) = 802403994

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Least Common Multiple of 74942 and 74949 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 74942 and 74949, than apply into the LCM equation.

GCF(74942,74949) = 7
LCM(74942,74949) = ( 74942 × 74949) / 7
LCM(74942,74949) = 5616827958 / 7
LCM(74942,74949) = 802403994

Least Common Multiple (LCM) of 74942 and 74949 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 74942 and 74949. First we will calculate the prime factors of 74942 and 74949.

Prime Factorization of 74942

Prime factors of 74942 are 2, 7, 53, 101. Prime factorization of 74942 in exponential form is:

74942 = 21 × 71 × 531 × 1011

Prime Factorization of 74949

Prime factors of 74949 are 3, 7, 43, 83. Prime factorization of 74949 in exponential form is:

74949 = 31 × 71 × 431 × 831

Now multiplying the highest exponent prime factors to calculate the LCM of 74942 and 74949.

LCM(74942,74949) = 21 × 71 × 531 × 1011 × 31 × 431 × 831
LCM(74942,74949) = 802403994