Use a factor tree.
343
49,7
7,7,7
7 x 7 x 7 = 343
73 7*7*7 = 343
343 is not prime. 343 = 7 * 7 * 7
It has more than two factors.
343 is composite -- it has factors 1, 7, 49 and 343. A prime number has only 2 factors which are 1 and itself. Composite numbers are everything else except 1 and 0. 1 and 0 are neither prime nor composite.
The prime factorization of 343 is: 7 x 7 x 7
There is no prime factorization for 23; it is a prime number.
Prime factorization of 343 = 7 x 7 x 7 Prime factorization of 57 = 3 x 19 It is clear that no prime number is common in the prime factorizations. Therefore, GCF of 343 & 57 is 1.
343 = 7 * 7 * 7 = 73
7 x 7 x 7 = 343
73 7*7*7 = 343
43 is already prime; no factorization required.
343 is not prime. 343 = 7 * 7 * 7
7 x 7 x 7
343=73
The LCM of 343 and 549 is 188,307. The prime factorization of 343 is 7 x 7 x 7 The prime factorization of 549 is 3 x 3 x 61. The LCM must be the product, i.e. 188,307
No.