What are the factors and prime factors of 1048576?

Answer 1

1,048,576 is a composite number because it has factors other than 1 and itself. It is not a Prime number.

The 21 factors of 1,048,576 are 1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 1024, 2048, 4096, 8192, 16384, 32768, 65536, 131072, 262144, 524288, and 1048576. It is a square number (1024 x 1024), so it has an odd number of factors.

The proper factors of 1,048,576 are 1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 1024, 2048, 4096, 8192, 16384, 32768, 65536, 131072, 262144, and 524288 or,

if the definition you are using excludes 1, they are 2, 4, 8, 16, 32, 64, 128, 256, 512, 1024, 2048, 4096, 8192, 16384, 32768, 65536, 131072, 262144, and 524288.

The prime factors of 1,048,576 are 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, and 2. Note: There is repetition of these factors, so if the prime factors are being listed instead of the prime factorization, usually only the distinct prime factors are listed.

The only distinct prime factor (listing each prime factor only once) of 1,048,576 is 2.

The prime factorization of 1,048,576 is 2 x 2 x 2 x 2 x 2 x 2 x 2 x 2 x 2 x 2 x 2 x 2 x 2 x 2 x 2 x 2 x 2 x 2 x 2 x 2 or, in index form (in other words, using exponents), 220.

NOTE: There cannot be common factors, a greatest common factor, or a least common multiple because "common" refers to factors or multiples that two or more numbers have in common.