# Keyword Analysis & Research: products of 72

## Frequently Asked Questions

What are the factors of 72?

The factors of 72 can be represented either in positive or negative forms. But the factors of 72 cannot be a decimal or fraction. For example, the factors of 72 can be (1, 72) or (-1, -72). If we multiply a pair of a negative number, such as multiplying -1 and -72, it will result in the original number 72.

What is the product of 8 and 9 and 72?

Seventy-two is the sum of four consecutive primes (13 + 17 + 19 + 23), as well as the sum of six consecutive primes (5 + 7 + 11 + 13 + 17 + 19). The product of 8 and 9, 72 is a pronic number. The sum of Euler's totient function φ ( x) over the first fifteen integers is 72.

Is 72 a Harshad number?

In base 10, the number 72 is a Harshad number. In maths and economics, 72 plays a role in the Rule of 72.

How to express 72 as the product of 3 natural numbers?

The only possible case is 3 4 6 So, we can express the number 72 as the product of 3 natural numbers in 8 ways. The answer is however not important, but the approach is. The number was 72. When it comes to factors, it's better to divide the factors into pairs (1 and 72, 2 and 36, 3 and 24, etc).