HCF and LCM Class 7 Practice Set 11 Answers Solutions Chapter 3
Question 1
Maharashtra Board Solution
Factorize the following numbers into primes: i. 32 ii. 57 iii. 23 iv. 150 v. 216 vi. 208 vii. 765 viii. 342 ix. 377 x. 559
Solution & Step-by-Step Answer:
i. 32 ∴ 32 = 2 × 2 × 2 × 2 × 2
ii. 57
∴ 57 = 3 × 19
iii. 23
∴ 23 = 23 × 1
iv. 150
∴ 150 = 2 × 3 × 5 × 5
v. 216
∴ 216 = 2 × 2 × 2 × 3 × 3 × 3
vi. 208
∴ 208 = 2 × 2 × 2 × 2 × 13
vii. 765
∴ 765 = 3 × 3 × 5 × 17
viii. 342
∴ 342 = 2 × 3 × 3 × 19
ix. 377
∴ 377 = 13 × 29
x. 559
∴ 559 = 13 × 43