Question

Write 1,386 as the product of its prime factors.
A. 2 x 3 x 3 x 7 x 11
B. 2 x 3 x 7 x 33
C. 2 x 693
D. 2 x 3 x 231

Answer 1

@FortyTheRapper

Answer 2

1386 ÷ 2
= 693

693 ÷ 3
= 231

231 ÷ 3
= 77

77 ÷ 7
= 11

∴ 1386 = 2 x 3 x 3 x 7 x 11
(answer A)

Answer 3

@danysanchy97

Answer 4

@Janu16 is correct.

Answer 5

to find the prime factors keep dividing by prime numbers starting from 2

2 ) 1386
3 ) 693
3 ) 231
7 }

11 77

Answer 6

the prime factors are on the left