That first number was probably 39, but as written...
2 x 19 = 38
2 x 2 x 13 = 52
13 x 13 = 169
2 x 2 x 13 x 13 x 19 = 12844, the LCM
If it was 39, the LCM would have been 2028.
169 = 13*13
13 x 13 = 169 The prime factor of 169 is 13. 13 is the square root of 169.
13 x 13
The 3 factors of 169 are 1, 13, and 169. The factor pairs of 169 are 1 x 169 and 13 x 13.The prime factors of 169 are 13 and 13.The prime factorization of 169 is 13 x 13 or, in exponential form, 132.Factor Tree:One way to determine the prime factors is to construct a factor tree, continuing to factor each level until all the numbers have been factored into prime numbers. 16913 x 13Since 13 is a prime number, the factor tree is complete.13 x 13
2873 is a composite number, not a prime. Its factors are 1, 13, 17, 169, 221, and 2873, and its prime factorization is 13x13x17.
Factorization of 169The factorization of 169 is:1 X 16913 X 13
The 3 factors of 169 are 1, 13 and 169. The factor pairs of 169 are 1 x 169 and 13 x 13.The prime factors of 169 are 13 and 13.The prime factorization of 169 is 13 x 13 or, in exponential form, 132.Factor Tree:One way to determine the prime factors is to construct a factor tree, continuing to factor each level until all the numbers have been factored into prime numbers. 169 = 13 x 13Since 13 is a prime number, the factor tree is completeThey are: 13*13 = 1691, 13 and 169
175/5 = 35/5 = 7/7 = 1 5 x 5 x 7 = 175
169 is divisible by 13 in addition to 1 and itself. It is not prime.
3 x 13 = 39 2 x 2 x 13 = 52 13 x 13 = 169 2 x 2 x 3 x 13 x 13 = 2028, the LCM
The prime factors of 169 are 13x13.
169 is composite because if you do (13*13) it on a calculator then you will figure out that 169 is composite.