answersLogoWhite

0

A number is a multiple of 42 if it's a multiple of 2 and 21 at the same time

126 is a multiple of 42 because it ends in 6, which means it's a multiple of 2, and 12 - 6 x 2 = 0, which means it's a multiple of 21

What else can I help you with?

Related Questions

What are the divisibility rules of all prime numbers?

The divisibility rules for a prime number is if it is ONLY divisible by 1, and itself.


What are the 2-10 divisibility rules?

12


What are reasons of using the disivility rules?

You can always check on the divisibility of a number by dividing it into another number. But if you know the divisibility rules, you can get that information easier and faster.


How can the divisibility rules help us simplify fractions?

i think divisibility rules help with fractions because it helps you reduce the fraction to make i a simple fraction.


Which factor of 4587 uses divisibility rules?

Three


What numbers 2 3 5 9 divides into 123456789 evenly using divisibility rules?

3 and 9. And they divide into 123456789 whether or not you use divisibility rules!


Who invented divisibility rules?

Divisibility rules have been developed and refined by mathematicians over the centuries. It is difficult to attribute the invention of divisibility rules to a specific individual. However, some early rules can be traced back to ancient civilizations like the Egyptians, Babylonians, and Greeks. These rules were further expanded upon and formalized by various mathematicians throughout history.


What number goes into all of the divisibility rules?

The number 0.


Is 963 divisible by 3 according to the rules of divisibility?

Yes.


324/711 reduce that using divisibility rules?

0.4557


Reduce 324/711 using divisibility rules?

0.4557


How divisibility rules can help you find common factors?

Divisibility rules help you find the factors of a number. Once you've found the factors for two or more numbers, you can find what they have in common. Take 231 and 321. If you know the divisibility rules, you know that they are both divisible by 3, so 3 is a common factor.