No because they are both composite numbers
Yes. There are no common divisors other than 1.
The GCF of 243 and 256 is 1.
Yes. 256 is a power of 2 so its only factors are powers of 2. 315 is odd so no power of 2 can be a factor.
The only prime factor of 256 is: 2
Prime factors of 256=2x2x2x2x2x2x2x2 (or 28)
2 is the only prime factor of 256.
IS 243 PRIME OR COMPOSITE
The GCF of 243, 256, and 343 is 1. 243 = 3^5 256 = 2^8 So the first two have a GCF of 1. Adding 343 = 7^3 to the list cannot increase the GCF so it must remain 1.
The prime factors of 243 are 3 * 3 * 3 * 3 * 3 So 243 = 3^5
35 = 243