640 / 2 = 320
320 / 2 = 160
160 / 2 = 80
80 / 2 = 40
40 / 2 = 20
20 / 2 = 10
10 / 2 = 5
prime factorization is [2 2 2 2 2 2 2 5] or [2^7 * 5]
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640 thousands = 640,000
The prime factorization of 640 using exponents is 2^7 x 5. This means that 640 can be expressed as the product of 2 raised to the power of 7, multiplied by 5. In other words, 640 = 2 x 2 x 2 x 2 x 2 x 2 x 2 x 5. This representation helps us understand the factors that make up the number 640 in terms of its prime components.
640: Prime factorization: (2^7)(5) Every factor: 1,2,4,5,8,10,16,20,32,40,64,80,128,160,320,640
640 is a composite number because it has factors other than 1 and itself. It is not a prime number.The 16 factors of 640 are 1 2 4 5 8 10 16 20 32 40 64 80 128 160 320 640.The prime factors of 640 are 2, 2, 2, 2, 2, 2, 2, and 5.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 2 distinct prime factors (listing each prime factor only once) of 640 are 2 and 5.The prime factorization of 640 is 2 x 2 x 2 x 2 x 2 x 2 x 2 x 5 or, in index form (in other words, using exponents), 27 x 5.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.
601, 625, 640, 644, 649