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Prime factors up to 49.

2007-10-20 22:44:08 · 12 answers · asked by wendyiley 2 in Science & Mathematics Mathematics

12 answers

If i recall correctly "1" is not a prime #

2007-10-20 22:52:29 · answer #1 · answered by Hjalmar 2 · 0 1

Prime Factors Of 105

2016-11-08 06:51:56 · answer #2 · answered by mumm 4 · 0 0

if u do a factor tree itz easier 105 / 21 x 5 / 7 x 3 So the prime factors of 105 are 7,3, and 5 And the prime factorization is 3 x 5 x 7

2016-05-23 23:44:53 · answer #3 · answered by marybeth 3 · 0 0

105 = 7 x 15 = 3 x 5 x 7

2007-10-21 08:53:23 · answer #4 · answered by Como 7 · 1 0

First of all remember that out of 1 to 6 numbers 1,2, 3 and 5 are prime Numbers. They are not divisible (without a remainder) by any other number but by a concerned same number alone!

Numbers above 6 and less than 50 you can use a relation that, step of 6 (-1 or +1)

So 11(12)13, 17(18)19, 23(24)25, 29(30)31, 35 (36) 37, 41(42) 43, 47(48) 49 are given!

Among these 5 ending numbers are divisible by 5 and
when number itself is a square (example 49) it is not prime.
So you can mentally apply this relation by linking to table of 6.

Your question relates 105
Factors of it are 3, 5 and 7

As I have already explained above all are prime factors!

Regards!

2007-10-20 23:22:54 · answer #5 · answered by kkr 3 · 0 1

1 is NOT classified as a prime number
105 = 3*5*7

prime factorisation of 105:
105 / 7 = 15
15 / 5 = 3
3 / 3 = 1
therefore 3x5x7 = 105

2007-10-20 23:22:02 · answer #6 · answered by Anonymous · 2 0

1 is not a prime number, it's a square number

105/5=21
21/3=7
7/7=1

Prime factors of 105 = 5,3,7
To check that answer: 5*3*7 should give 105

2007-10-22 00:42:10 · answer #7 · answered by Kimberley 3 · 1 0

The factors of 105 are:
1,105
3,35
5,21
7,15
Although the prime factors of 105 are:
3,5 and 7.

2007-10-21 04:48:42 · answer #8 · answered by Anonymous · 2 0

105= 3*5*7

2007-10-20 23:56:45 · answer #9 · answered by Drools over home made food 6 · 1 0

105 = 1 * 3 * 5*7
so prime factors are 1, 3, 5 and 7.

Enjoy!!

2007-10-20 22:49:02 · answer #10 · answered by stupid me 2 · 0 2

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