Advertisements
Advertisements
प्रश्न
Find the prime factorisation number by factor tree method and division method.
420
उत्तर
420
∴ 420 = 2 × 2 × 3 × 5 × 7
Also
| 2 | 420 |
| 2 | 210 |
| 3 | 105 |
| 5 | 35 |
| 7 | 7 |
| 1 |
420 = 2 × 210
= 2 × 2 × 105
= 2 × 2 × 3 × 35
= 2 × 2 × 3 × 5 × 7
∴ 420 = 2 × 2 × 3 × 5 × 7
APPEARS IN
संबंधित प्रश्न
Factorise the following number into prime.
32
Factorise the following number into prime.
57
Factorise the following number into prime.
342
Give the prime factorization of the following number:
12
Give the prime factorization of the following number:
56
Give the prime factorization of the following number:
2907
Give the prime factorization of the following number:
13915
Find the prime factorisation number by factor tree method and division method.
128
If there are 143 math books to be arranged in equal numbers in all the stacks, then find the number of books in each stack and also the number of stacks.
In which of the following expressions, prime factorisation has been done?
70 = 2 × 5 × 7
