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How many factors are there for the product of multiplication of two different primes
Four: the two primes, 1, and the product of the two primes
Write 36 in the form of multiplication of several prime numbers ()
2x2x3x3
A composite number can express the multiplication of several prime numbers. For example, can you write the following sum number in the form of multiplication of several prime numbers? Try 36 - D equals 81
12 equals 50 and is written in the form of an equation
12=2×2×3
36=2×2×3×3
50=2×5×5
81=3×3×3×3
(30, 24, 100, 60, 39, 72) write these composite numbers in the form of multiplication of several prime numbers
30=2*5*3
24=2*2*2*3
100=2*2*5*5
60=2*2*3*5
39=3*13
72=2*2*2*3*3
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Write the following numbers in the form of multiplication of several prime numbers 63 = () × () × () 30 = () × () × () 66 = () × () × () 42 = () × () × () 70 = () × () × () 40 = () × () × () × () 36 = () × () × () 90 = () × () × () × () 60 = () × () × () × () 54= =（ ）×（ ）×（ ）×（ ）
63=（7 ）×（3 ）×（3 ）
30=（2 ）×（3 ）×（5 ）
66=（2 ）×（3 ）×（11 ）
42=（2 ）×（ 3）×（7 ）
70=（2 ）×（ 5）×（7 ）
40=（2 ）×（2 ）×（2 ）×（5 ）
36 =（2 ）×（ 2）×（ 3）×（3 ）
90 =（3 ）×（3 ）×（ 2）×（5 ）
60 =（2 ）×（5 ）×（2 ）×（3 ）
54= （2 ）×（3 ）×（3 ）×（3 ）
Write the following numbers in the form of prime multiplication 63 = 18 = 45 = 20 = 27 = 42 = 30 = 105=
63=7×3×3
18=2×3×3
45=5×3×3
20=2×2×5
27=3×3×3
42=2×3×7
30=2×3×5
105=3×5×7
Every composite number can be written in the form of multiplication of several prime numbers
Yes!
Write the following composite numbers in the form of multiplication of several prime numbers
9= 65= 85= 91= 22= 34= 21=
9=3X3
65=5X13
85=5X17
91=7X13
22=2X11
34=2X17
21=3X7
Write a composite number in the form of multiplication of several prime numbers
as
12=2×2×3
27= 54= 54=
27 = 54 = or 54=
27=3*3*3
54=2*3*3*3
Write the combined numbers 42, 32 and 44 in the form of multiplication of several prime numbers
For example, 42 = 2 times 3 times 7
42=2*3*7
32=2*2*2*2*2
44=2*2*11
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- 2. How did human beings discover and record natural numbers
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- 7. In the sequence {an}, A1 = 1, A2 = 6, a_ n+2=A_ N + 1-an, then A2010 is equal to?
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- 12. If n is a positive integer and X2N = 5, then (2x3n) 2 △ (4x2n)=______ ．
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