Question

Show that 5×11×13+13 is a composite number.
Write all the steps please!!​

Answer 1

Answer:

Ok

Step-by-step explanation:

Normally, the composite number is represented based on the product of two or more with the two prime numbers. (5)(11)(13)+13 are determined as 5*11*13+13= 728. Prime factors are obtained result with the 728= 2 x 2 x 2 x 7 x 13  so that the prime factors will be obtaining the results based on these factors.

Answer 2

Solution:

➩ 5⃣ × 1⃣1⃣ × 1⃣3⃣ + 1⃣3⃣

➩ 5⃣5⃣ × 1⃣3⃣ + 1⃣3⃣

➩ 7⃣1⃣5⃣ + 1⃣3⃣

➩ 7⃣2⃣8⃣

ஃ Here , 5⃣ × 1⃣1⃣ × 1⃣3⃣ + 1⃣3⃣ is composite number because it has at least three factor.

✅ Hence proved ✅