No, you can tell by the last digit being divisible by two, that the number is divisible by two. Thus it's composite.
The prime factors of 392 are 2, 2, 2, 7, and 7. To find the prime factors, you divide 392 by the smallest prime number (2) until you cannot divide evenly. The factors of 392 are 1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 196, and 392. These are all the numbers that can divide evenly into 392.
392 is composite. All whole numbers ending in two are composite except for the number 2 itself, which is prime.
2 × 2 × 2 × 7 × 7
The prime factorization of 392 is 2 x 2 x 2 x 7 x 7 or 23 x 72.392= 2x2x2x7x7
392 = 2^3 * 7^2 so the square factors are 4 and 49.
392 = 2 x 2 x 2 x 7 x 7.
They are: 2^3 times 7^2 = 392
2 x 2 x 2 x 7 x 7 = 392
2 x 2 x 2 x 7 x 7 = 392
392 is a composite number. 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.
72 *23
392 = 2 x 2 x 2 x 7 x 7 OR 2^3 x 7^2