Ch3 Review Problem

Find the prime factorization of each of the following numbers:

693

Mathematical Equivalence

OFF

Find the prime factorization of each of the following numbers:

5423

Mathematical Equivalence

OFF

Find the prime factorization of each of the following numbers:

35100

Mathematical Equivalence

OFF

What is the remainder when (99)(237) is divided by 9?

• 0

• 1

• 2

• 3

What is the sum of the two smallest multiples of 6 that are greater than 103?

What is the largest multiple of 73 that is less than 2000?

Which of the following numbers is divisible by 9:

• 45,624

• 560,335

• 60,231,060

• 9,671,011

Which one of the following four-digit numbers is not divisible by 4:

• 2544

• 2554

• 2564

• 2572

• 2576

We learned that a number is divisible by 5 if its units digit is 0 or 5.

What is a similar rule that we can use to test if a number is divisible by 25?

Amanda arranges the digits 1, 3, 5, and 7 to write a four-digit number. The 7 is next to the 1 but not to the 5. The 3 is next to the 7 but not to the 5.

The four-digit number is divisible by 5. What is Amanda's four-digit number?