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What is the Least Common Multiple of 70961 and 70970?

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 70961 and 70970 is 5036102170.

LCM(70961,70970) = 5036102170

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Least Common Multiple of 70961 and 70970 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 70961 and 70970, than apply into the LCM equation.

GCF(70961,70970) = 1
LCM(70961,70970) = ( 70961 × 70970) / 1
LCM(70961,70970) = 5036102170 / 1
LCM(70961,70970) = 5036102170

Least Common Multiple (LCM) of 70961 and 70970 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 70961 and 70970. First we will calculate the prime factors of 70961 and 70970.

Prime Factorization of 70961

Prime factors of 70961 are 11, 6451. Prime factorization of 70961 in exponential form is:

70961 = 111 × 64511

Prime Factorization of 70970

Prime factors of 70970 are 2, 5, 47, 151. Prime factorization of 70970 in exponential form is:

70970 = 21 × 51 × 471 × 1511

Now multiplying the highest exponent prime factors to calculate the LCM of 70961 and 70970.

LCM(70961,70970) = 111 × 64511 × 21 × 51 × 471 × 1511
LCM(70961,70970) = 5036102170