Question

Explane why 7 X1 X13+13and 7X6 X5 X4 X3
X2X175 are composite Number
?​

Answer 1

Step-by-step explanation:

7 ×11×13+13 & 7×6×5×4×3×2×175

13(7×11×1+1) & 2(7×3×5×2×3×1×175)

13×11(7+1) & 2×2(7×3×5×3×175)

13×11×2×2×2 & 2×2×5(7×3×3×35)

& 2×2×5×7(3×3×5)

& 2×2×5×7×3×5

Since both numbers are expressed in prime factors

Therefore , they are composite numbers.

Answer 2

Answer:

1. composite number means the numbers which are not primes.
2. A composite number has more than two primefactors .
3. so it has more than two factors
4. in this 7 is common in both