343 is not prime. 343 = 7 * 7 * 7
No.
7
343 is composite, because it has factors other than 1 and 343. It is the cube of 7 (7 x 7 x 7). Or 7 x 49 = 343. A prime number is a number that only has itself and one as factors, such as 3.
343=7x7x7=73. 343 is a perfect cube. 7 is the prime factor of 343. 1,7, 49 and 343 are the distinct prime factors of 343.
343 is a composite number because it has more than two factors
Use a factor tree. 343 49,7 7,7,7
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.
343=7x7x7=73. 343 is a perfect cube. 7 is the prime factor of 343. 1,7, 49 and 343 are the distinct prime factors of 343.
No. It has more than two factors.
It has more than two factors.
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.